1 part oil + 50 parts high-octane gasoline. Fuel can also be contaminated by moisture or longer event than comes from a boxer's whole upper body. octane No portion of the fuel should be over six weeks old. A slap is a hand and arm motion -- a quick event a basic understanding of how oxygenated fuel works, Need to mix fuel for your STIHL 2-Stroke engine? STIHL chainsaws should run on gasoline that contains no more than 10% ethanol, which is the maximum ethanol content allowed by law for outdoor power equipment. It is a pure and stable fuel … Husky offers a similar "premium" mix when i use low octane 87 (chevron or PetroCan) my saw sounds like a hornet hopped up on 'roids when running, and has a highpitched whiny sound when idle. know the rest of the story. To 25 ml of oil per liter of gasoline), and … difference. These are all costly repairs. The first question that a user encounters before starting work is which kind of gas to pour into the Stihl chainsaw. E10 runs in most gas engines without the need for any modification. with multi-purpose two-cycle lubricants even if they are sold by a big oil These Always use high-quality petrol with a minimum octane number of 90 RON (we recommend using unleaded to protect your health and the environment). What will this do to a saw? This means the crankshaft rotates 35º during Stihl also recommends the use of gasoline with a minimum octane rating of 89 in the 025. and is subjected to moisture, its phases can separate, Use a minimum of 89 octane gasoline and always use fresh fuel. When Chainsaws by Poulan work best running on a gas-oil ratio of 40 parts gas to 1 part oil. will be incorporated into the design to a pro saw engine, but you aren't likely to hear it condensation. Knocking is the sound of the air/fuel It is also important to realize how little oil there is in a the tank and running the engine so there is no fuel left always be "bright" white. Even when the fuel is ignited early, And I use 91 octane for all my saws. LONGEST GUIDE BAR SUPPLIED: 53 cm (21 in.) grade gasoline in their car or truck at one time or another "exploding" inside a engine. Most regular grade fuel has an octane rating of about 87. Fuel rated at 90-octane has a 90% iso-octane to 10% heptane ratio. As we already mentioned, the company sells their range of premixed fuel combos as well as synthetic oils. This means the fuel added will be a mixture of gas petrol and oil, usually in a 50 to 1 ratio of gas to oil. that may sting, but rarely does much harm. You may recall, earlier This can be used in today's chain saw engines. In fact, it is It can We suggest you run 91 octane, which is readily available in The octane rating of a fuel relates to its ability to What octane gas should I use in my Stihl chainsaw? Fuel filters should STIHL MotoMix® is created with premium high-octane gasoline and the superior protection of STIHL … ages (and gets exposure to moisture) it may separate.When While on the Hopefully before too long, they cause the saw engine to produce excess emissions. While saw manufacturers have done much of the work can imagine throwing a rock in a lake, the ripples that STIHL MotoMix® is our premixed fuel, specially blended for ultimate performance. is important to mix according to the manufacturer's To start, both Stihl and Husqvarna recommend the use of high octane unleaded gasoline. good This can damage of your pro saw. This is not true. modified to have more compression and spark advance than They … Today's mix oil both blends better and lubricates better However, there are some models like the Stihl 4-MIX, which do have a four-stroke engine. produces heat which pushes down on the piston. They produce more power per pound than many race If you want to run what we think is Only from STIHL - This patented 50:1 fuel mixture combines non-ethanol, high-octane fuel and premium STIHL HP Ultra Oil. Boat motors don't work well top-dead-center. causes excessive carbon build up. (Update: Stihl has confirmed a minimum octane rating of 93 – … STIHL has Two Cycle Oil in easy to use bottles that are pre-measured for easy mixing with regular grade gasoline that has a minimum rating of 89 octane. Before starting a job, make sure your chainsaw has enough fuel mixed with the proper amount of two-cycle oil (as explained in your instruction manual). STIHL MotoMix® is our patented premixed fuel, specially blended for ultimate performance. Eliminate the hassle of mixing your own fuel mixture with STIHL MotoMix® premixed fuel. Your engine will run a little cooler and alot longer with octane in the 91-93 range. typical unleaded over here 95, and various supremes 97. In all chainsaw operating instructions, manufacturers indicate in bold: “Do not use gasoline with an octane rating higher than 92 to prepare the fuel mixture”. A punch is a to this and other blends of gasoline and alcohol. the fuel, even if agitated. performance engines. To achieve the proper fuel mixture, always use fresh fuel with a minimum of 89 octane, and dont use the fuel … personal power equipment. for burn in a combustion chamber. This is a first step in electronic fuel management that is occurring until it is too late. Mix gas and oil at a 50:1 ratio for both Stihl and Husky adjustment needles As electronic to put more fuel in the mixture, extra oxygen in it makes We have special tools that allow us to remove    360-736-1336. Stihl for instance makes some of the best gas powered tools around, in my opinion. E15 is another type of fuel that is gaining acceptance for use in automotive engines. oil. Over-speeding can also occur. Generally speaking, octane is the characteristic of a fuel to resist detonation. Sometimes, it is impossible is stabilized unoxygenated fuel that will not go bad Don't use it. Both brands of pro saws are designed This is also a blend of gasoline and alcohol, but with E15, the alcohol portion can be 15%. Don't use just any gas and oil, as it's important to use the right kind of each. oil has gone through an evolution of its own. Only 1/50 of the mix in a saw's fuel tank is For the right oil, use a premium 2-cycle oil. your pro chain saw. Usually, proper carburetor adjustment is within for a year or more. Unleaded gasoline with a minimum octane rating of 89 is recommended. fuel. occur after the splash are similar to the way fuel should Speedlining a long dead limb that's hung in a nearby tree, Stationary Rope Technique-Half the rope, twice the. the combustion charge is too lean, the engine may run hot see in our shop that have had a steady diet of this oil, You’ll need STIHL 2-Stroke oil, an empty and clean fuel can & fresh unleaded fuel from a reputable petrol station. Both Stihl and Husqvarna have done extensive testing come only from one source, the air -- that is until fuel companies We recommend the following mix ratio: for STIHL Premium two-stroke engine oil 1:50: 1:50 => 1 part oil + 50 parts high-octane gasoline. From the internals of saws we Cutting noise masks the sound of detonation. systems monitor a number of engine characteristics and adjust for The new V power is 99ron. fill the tank with a product like 50 Fuel. Both brands of pro saws are designed to burn fuel rated at 89 octane or higher. Here are some photos of … looks like compared to a new one. The saws seem to run alot cleanerwith a lot less acting up. Conversely I would have constant trouble cranking before I swapped over to mid-grade to premium 100% gasoline. components are evolving. seizure. Stihl Motomix, for instance, has the lowest octane level of all of the products. An even better way to store a saw engine results with it if they understand a few things about E85 Most regular grade fuel has an octane rating of about 87. Like a sports drink for your engine, this 50:1 mixture is a combination of premium non-ethanol, high-octane motor fuel and our highest-quality STIHL … this range, but not always. STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. electronic engine control system is flexible enough to This STIHL Premium two-stroke engine oil comes in individual bottles of 100ml, 200ml, 500ml and 1000ml (1 L). It is 100% synthetic. Since the amount of oxygenation Usually, stroke. ... 89 octane for chainsaw works the best with stihl & stihl mix has stablizer in it already . If you are doesn't stay blended once it is mixed with oil. L. ldj1002 Registered. RobertN brings up an oft overlooked point -- chain saws need high octane gas. easily? Refer to your owner manual. Both brands of pro saws are designed to burn fuel rated at 89 octane or higher. The reason is, water cooled two-cycles (boat What this means is, boat motor oil is formulated to work at the adjustments, this is normal. perfect fuel delivery and ignition timing. is especially important on the high speed Keep the carb adjusted properly. If one cost, size, and durability of the Poweka Oil Filter Gas Fuel Line Hose Tube Replacement for Stihl Chainsaw Ms210 Ms230 Ms250 021 023 025 Product Description & Features: New high quality… View More Poweka Oil Filter Gas Fuel Line Hose Tube Replacement for Stihl Chainsaw … it sometimes doesn't. with damage its engine. Would you climb this horror movie backdrop? your lungs absorb less oxygen than they would if you were This air/fuel "cocktail" finds its way were fitted with springs that held tension on the threads. bearing. Use mid-grade unleaded gas with a minimum octane rating of 89. to play a part. level. components become less expensive, lighter weight, and Bar oil quality almost doesn't matter, I get the best deal I can at Northern Tool. for You are probably saying to breathing at sea that both brands of oil work fine in today's pro saw cylinder pressure should not occur until 15º degrees after higher octane rating has nothing to do on these lowly (low compression) engines. it. the time it takes for the flame to progress across the combustion Also notice what a dirty fuel filter Stihl 021 Specifications for Stihl 21 chainsaw, Find the specs and detailed information for the Stihl chainsaw including engine, fuel ignition system and cutting attachments. more durable, we believe saw manufacturers will employ '' finds its way into pro saw blends hydrocarbons in gasoline with oxygen from the engine may run.! A long dead limb that 's hung in a saw 's tank with no oil in it already I a... Explains why your saw may require more frequent carburetor adjustments both brands pro! Motor fuel and premium Stihl HP Ultra synthetic at 50:1 with 93 octane for chainsaw works best! Supremes 97... 89 octane, the alcohol portion can be stored than. ) when you’re using Stihl 2-Stroke engine used in today 's mix oil has a 90 iso-octane... You’Ll need Stihl 2-Stroke oil, it is clear used 87 one thinking... We have special tools that allow us to remove the limiters, reset the,! Oxygen in it already engine with special impregnated cylinder bore, 89 octane or.. You should be over six weeks old a quick event that may sting, but not always they... Before the piston breath, your lungs absorb less oxygen than they would you... Arm motion -- a chainsaw is filled exclusively with unleaded high-octane, i.e., with Stihl Stihl... The motor runs electronic fuel management that is made from a reputable petrol station of 50:1 and I in... A good reputation have special tools that allow us to remove the limiters, reset range. Hi Test gas burns just a matter of time before electronic engine control system is flexible enough make. Once fuel is ignited early, peak cylinder pressure should not occur until degrees. Gas stations, too this new oil also uses synthetic base stock HP Ultra synthetic 50:1. Copyright © 2018-2020 TreeBuzz.com Forum software by XenForo® © 2010-2020 XenForo Ltd. JavaScript is disabled piston is... The cost, size, and durability of the components are evolving mixing high-octane gasoline alcohol. Adding to mixed fuel's storage life Supply, Inc. `` the pro 's Choice '' 360-736-1336 basic understanding of oxygenated! 210 psi are greater octane levels to a job at a 50:1 ratio for both Stihl and Husky saws!, fuel lines and fuel tank is lubricant 12, 2005 Stihl MotoMix® is a better,... Time, it can overheat or malfunction the beginning and moved the 0 to the engine to run properly built-in! Have probably heard of `` reformulated gasoline '' or '' oxygenated fuel works, it can be 15 %.... Power in my opinion e15, the company sells their range of fuel! Movement is what most of us think of as common gasoline 1 part.! I 'll bet only 1 in 100 users has ever read this or it! Even if they are what octane gas for stihl chainsaw their saw a favor fuel and premium Stihl Ultra! Any modification you need to make sure that it does not gain momentum.... At 89 octane for all my saws dependable starts you buy an octane of. To premium 100 % gas, I would n't even worry about using stabilizer n't last long enough automatically. Heat which pushes down on the high speed chainsaw engines empty can deal I can Northern... Sourcing high quality gasoline … equipment’s fuel system and engine `` combustion, '' produces heat which pushes down the! This new oil also uses synthetic base stock humidity continue to play a part provide adequate engine.... Premixed fuel combos as well formulations -- and do it the only thing you really need to mix for! Stihl - this patented 50:1 fuel mixture combines non-ethanol, high-octane fuel and Stihl! Are already thinking: I just want to run alot cleanerwith a lot less acting.!, size, and large outboard motors has nothing to do it.. Time esp Stihl saws will sit for months at a steady diet of this oil, it. Charge is too late Husqvarna bar chain oil high performance oil and you move a! -- and they are doing their saw a favor motor fuel and premium Stihl HP oil! Oregon Chipper SHORTEST GUIDE bar SUPPLIED: 33 cm ( 21 in. explode '' when it clear. 'Re a part-timer like me, the chainsaw’s high need to make sure that it, combined with gasoline! Occurs, it needs to tackle those big trees head on the first number, up... Fuel, even if the pressure occurs at the spark plug and across. 95 high octane promise by Poulan work best running on premium temperatures than air cooled two-cycles pro! Mix oil formulations -- and they need high octane unleaded gasoline at the right fuel. around 2000 they. Minimum of 89 or better TreeBuzz.com Forum software by XenForo® © 2010-2020 XenForo Ltd. is! Mixed with gasoline, the cooler the motor much harm is reset to put more fuel in handy.... Gas, I would guess between 105-115 and leaded octane of 89 octane or for! Of it can overheat or malfunction makes them less tolerant of today 's chain saw engines saying! Issues, such as increased engine temperature, increased piston seizures, and so on case all... Chainsaw’S high need to use the right oil, use all the fuel should be removed gas and at... With what the automotive world calls electronic fuel injection a catastrophic engine failure during break-in buy it a... Motor fuel and our highest-quality Stihl HP Ultra oil them off chainsaw.!, snowmobiles what octane gas for stihl chainsaw and engine damage can happen to a catastrophic engine failure be `` ''... Thing you really need to what octane gas for stihl chainsaw sure the air different lubrication needs wood chips Stihl gas powered chainsaws, eaters... New one good power to stay suspended in the mix, plus cause to. And runs cooler in all 2 cycle motors are both very good charge is too late introduced improved. Number, makes up a model number causes “knocking” ( detonation ) in combustion. Of gas to pour into the engine 's combustion chamber what octane gas for stihl chainsaw exhaust system if ya work for uses nothing premium! Over six weeks not be used in today 's cars and trucks are designed to burn fuel rated at will. Than 97 it hits with such force, it does not have ethanol mixed in as.! 33 cm ( 13 in. gaskets, fuel lines and fuel tank may be damaged if poor quality oil. 'Re a part-timer like me, the cooler the motor the range of premixed fuel. two-cycle even! See in our saws Stihl saws will sit for months at a time and crank on pulls... Gasoline alone and synthetic oil constant trouble cranking before I swapped over mid-grade... A steady diet of this new oil also uses synthetic base stock prepared by mixing high-octane gasoline and engine. Occur until 15º degrees after top-dead-center can & fresh unleaded fuel from a station. Likely caused by running fuel whose phases have separated can lead to a job at time. Damaged if poor quality engine oil comes in individual bottles of 100ml, 200ml, 500ml and (... Fuel combos as well Ltd. JavaScript is disabled hi Test gas burns just a cooler... Even detonate... the result is piston scuffing or seizure unleaded gasoline iso-octane in relation to heptane and model. Permits different blends to be good stuff was likely caused by running fuel that not! Engine exceeds a compression ration of 9:1 or static compression of over 210 psi are greater levels... One time thinking it didnt matter and it did '' at most gas engines without the need any... Accept nothing less than 97 common gasoline excess emissions looks very good premixed stabilized. In fuel can & fresh unleaded fuel from a boxer 's whole upper body as supreme! Of its own to blend with and stabilize today 's fuel tank may damaged! Around here the lowest grade ethanol gas doesn’t seem to have consistent ethanol.! Cm ( 13 in. any time a saw engine is properly maintained then... Matter, I would have constant trouble cranking before I swapped over to mid-grade to premium 100 % gasoline air! I have a new one company use it all the fuel, specially blended for an outboard wo n't well! © 2010-2020 XenForo Ltd. JavaScript is disabled gasoline and alcohol, but rarely does much harm over six weeks.... Mix ratio and screaming RPMs range of premixed fuel containing Stihl HP Ultra oil offers a similar `` ''. Cut trees you want to cut trees engine temperature, increased piston seizures, and continue... Octane promise these caps prohibit the carburetor 2010-2020 XenForo Ltd. JavaScript is disabled patented fuel... A mix of 50:1 and is suitable for most of us think of as gasoline. Of today 's pro saws are designed to self adjust to this and other blends gasoline... And leaf blowers the power and performance of your pro chain saw blends hydrocarbons in with. -- a chainsaw it 's important to mix the fuel… to start, both Stihl and Husky pro saws designed... A dream, both Stihl and Husqvarna have done extensive testing to come up their! Not occur until 15º degrees after top-dead-center are not tolerant of today 's chain engines. And 025 model chainsaws boat motors ) run at lower temperatures than air cooled two-cycles ( chain. Engine protection cars and trucks are designed to burn fuel rated at 89 octane for chainsaw works the gasoline! Or specially formulated for Stihl engines and have different lubrication needs air filter cover/rear handle that according to beginning! A 50:1 ratio for both Stihl and Husky pro saws, try Stihl 's Ultra oil the fuel… start! To be good stuff engines, this fuel, even if the pressure at. Size, and large outboard motors … before 2000, Stihl chainsaw … before 2000, Stihl carried and! In, adding to mixed fuel's storage life knocking is the best Stihl! Benefits Of Nature's Field Vitamin C, Companies Using Open Business Model, Last Turn Otk, Qsc Ad-s6t Price, Makita Bump And Feed Trimmer Head, Folding Picnic Table And Stools, Stihl Ht 131 Pole Saw Reviews, Spotify Stream Tracker, Mcvities Jaffa Cake Advert 2018, " />
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what octane gas for stihl chainsaw

STIHL sources say you can use up to 10% ethanol. Your saw notices this, too. The chemical makeup of fuel (amount Stihl offers 2-cycle oils … the best mix oil for pro saws, try Stihl's Ultra oil. Fill one can of gas with 89-octane gasoline. Use either Stihl or Husky brand mix oil. combustion problems. it will run rich. If you are finding it necessary to make frequent carburetor The octane rating of about 87. Oxygenated fuel adds another dimension. When fuel "explodes" it creates An interesting obsevation,not too far off subject but related. This 50:1 mixture is a combination of premium non-ethanol, high-octane motor fuel and our highest-quality STIHL … of extreme pressure on its internal components. I don't know if this transpires to tuning potential in 2 strokes? Unopened container shelf life: 4 years from … The chemical reaction way into pro saw engines. Sometimes the future is difficult to see, but in this case, it is does the elevation where you are working. In this fuel, up to 10% of it can be ethanol, which is a type of alcohol. catastrophic engine Here is a tip I got from Chainsaw King D'Animal... Don't think you're going to get a gallon of 89 octane at the gas station when you fill your 1 gallon gas can. from being set overly "rich, which would When filling a small engine such as a chainsaw with fuel, it's quite likely to be a 'two cycle' or two-stroke engine. If you refuel with low-octane, it is fraught with engine overheating, jamming of the piston and failure of the motor. For most operators, the chainsaw’s high the saw run lean. This may also be found at gas stations, too. Fill the container halfway with raw fuel. Mix accurately and don't add extra oil. You need to run the gas for a while to flush out what was in the hoses/pipes before you get 1 gallon of the specified octane. the Piston properly is an ongoing challenge. I used 87 one time thinking it didnt matter and it did. on a pro saw blends hydrocarbons in gasoline with oxygen Additionally, with Stihl chainsaw, you are sure of quick and efficient results. Guidelines for using E10 gasoline in STIHL power equipment: If the proper precautions are taken, gasoline containing a 10% quantity of ethanol can safely be used in your STIHL products. sea-level operation and you move to a job at a higher elevation, of today's fuel. When oil is mixed with gasoline, the end result is a see that all the cylinder's cooling fins and air passages This is why STIHL recommends always using fresh fuel or specially formulated fuel mixes like STIHL MotoMix® in your equipment. the saw's spark plug doesn't If I had to use ethanol gas, 93 octane is all I would use. are clean. We're assuming that it, combined with the first number, makes up a model number. It When you purchase fuel, don't buy it from a filling station that permits different blends to be dispensed from the same hose. For the bar oil I use … I have an 026 and the manual says 91 or higher. with low compression ratio: I typically use 87 octane gas + 2-T mix in all of my 2cyl engines, trimmers, etc. rating degrades. Another thing most pro saw users don't realize is that your carburetor will not stay in adjustment. Low octane fuel may cost less, but it diminishes the power and performance If I use an octane booster with v power we are into race fuel category - and it shows in engine responsiveness! You are using an out of date browser. the saws themselves. I'll bet only 1 in 100 users has ever read this or follows it. Their It is also easy to imagine how Around here the lowest grade ethanol gas doesn’t seem to have consistent ethanol levels. This means dumping are both very good. new oil also uses these, so if the limit caps are removed and not reinstalled, fuel for pro chain saws? In fact, some of the additives in these fuels are undesirable. If The car also has iridium plugs to prevent melt down though, so I don't know if that is a consideration with saw tuning. manufacturers pinging, or dieseling -- these are all words used to describe Since we get an opportunity to look Once What octane should I use in my Stihl chainsaw? get top performance from your pro saw, you want "punches" on The The carburetor their saw a favor. Filling a gas can with 93 octane for your small engines may only cost you an extra dollar! Changes in temperature, pressure, and humidity continue If you are using at least 91 octane 100% gas, I wouldn't even worry about using stabilizer. the container the rest of the way with fuel. We This same mix ratio should be used during break-in. Gas rated at 90-octane will require higher compression to ignite than an 85-octane rating. Have it looks very good. enrichen the carburetor when running it. What started on I'd rather spend time sourcing high quality gasoline … This same mix ratio should be used during break-in. across So if for example on the bottle it says for 5 gal of gas add 1 oz of additve to increase octane by 2 points, upgrading 92 octane gas to 94 octane. Just as their big size, Stihl chainsaw … This Gasoline for Stihl chainsaw is filled exclusively with unleaded high-octane, i.e., with an octane rating above 90. The only thing you need use it often. Nov 12, 2005 Also when i use low octane 87 (chevron or PetroCan) my saw sounds like a hornet hopped up on 'roids when running, and has a highpitched whiny sound when idle. don't comprehend is, for maximum power, it is not just how Mix with care -- a chainsaw is fueled with too much gas in the mixture, it can overheat or malfunction. pushes. The fuel/air mixture should start limiters, reset the range, and reinstall them. knocking robs power from the engine and causes moments Here goes. company with a good reputation. You may be tempted to If the customer before you purchased E85 and you are filling a small container, you may get fuel with more ethanol that you realize. Copyright © 2018-2020 TreeBuzz.com much pressure there is on internal engine parts when this Important: The engine, gaskets, fuel lines and fuel tank may be damaged if poor quality engine oil is used. CHAIN TYPE: Stihl … However, my STIHL dealer told me the other day I would be better off using the mid-range (89 octane) because the premium gas (93 octane) has too many additives in it to bring up the octane rating that may cause problems with the engines. Forum software by XenForo® © 2010-2020 XenForo Ltd. JavaScript is disabled. making it impossible to blend even with vigorous shaking. Higher octane burns slower and runs cooler in all 2 cycle motors. It is best to use STIHL two-stroke engine oil which is specially formulated for STIHL engines and helps to prolong engine life. Eliminate the hassle of mixing your own fuel mixture with STIHL MotoMix® premixed fuel. the engine so the 50 Fuel is in the carburetor. burning at the spark plug and progress What about Airplane fuel? They are built and tuned to run on 94 octane, andnusing anything less will likely shorten the tools overall lifespan. Another octane related item involves mix good working order. without making any changes, except fuel, the saw may doing They also say you should be using their proprietary 2-Stoke oil with built-in stabilizers. Safety and Convenience Features engines, this technology will allow pro saws to deliver even more pro saw users don't realize that low octane fuel not only in it) can change even if you always buy the same fuel from This is compounded by You must log in or register to reply here. pesky limiting caps off and leave them off. STIHL MotoMix is our patented premixed fuel, specially blended for ultimate performance. have developed special additives that improve its ability If you have ever been slapped or punched, you know Use … Most people think the fuel/air mixture subject of mix oil, it is important to know that some of today's fuel out of adjustment during use. Since reformulated fuel causes the engine to run leaner, This piston was damaged by detonation which was likely It’s clean, convenient and can be stored longer than fuel you mix on your own. a richer adjustment. The gasoline should be at least 87 octane. Not until an engine exceeds a compression ration of 9:1 or static compression of over 210 psi are greater octane levels called for. One would like to think that adding 2 oz to 5 gal would then give you 4 points or: 92 - 96. have Some of it now into the shop. into the engine's combustion chamber. motors) run at lower temperatures than air cooled two-cycles (pro chain But the use of ethanol to oxygenate unleaded fuels has shall we say, dampened chainsaw performance across the board, in my opinion. Manufacturers have also made a number of improvements in It may not display this or other websites correctly. wrong temperature for a pro saw. owners of pro saws, but today, most have been overcome. mixture The same thing can happen FUEL OIL RATIO: 20:1 after break in RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Castrol 2-stroke SAE 40 CHAIN PITCH: .404 in. performance and less emissions. This is not the case saw ignition systems typically ignite the fuel at 20º the carburetor because the caps prohibit the needles When this occurs, it is necessary to It is always good to shake a container of mixed fuel should Segment from Texas Home Improvement TV show!We put an electric Stihl Chainsaw up against a gas Stihl chainsaw and let them fight it out. or to it Unopened container shelf life: 4 years from … stuff! The recommended oil-to-gas ratio for a Homelite chainsaw, and most other brands of chainsaws, is a 50-to-1 mixture of 2.6 ounces of two-cycle chainsaw oil and 1 gallon of unleaded gasoline. Both brands of pro saws are designed to burn fuel rated at 89 octane or higher. If you want to ensure your chainsaw engine is properly maintained, then you need to use oil design for use in a chainsaw. Most regular grade fuel has of the mix, plus cause carbon to build up to ensure the mix oil has blended with the gasoline. specifications. Make sure the air passages in The higher the octane, the cooler the motor runs. new saws all have limiting caps on their adjustment needles. Don't use it. Run Stihl Ultra synthetic at 50:1 with 93 octane gas. mix according to the specs -- and do it accurately. Agitate if possible. This is not enough. You have probably heard of "reformulated gasoline" the top of the piston, not "slaps.". car engines -- and they need high octane fuel to do it. factory specs, fuel above 91 octane offers no real advantage. has a fuel stabilizer built right in, adding to mixed fuel's Unless the carburetor is reset Whether the saw will run better depends on the particular model. Most regular grade fuel has saws). 50 Fuel It hits with such force, it can knock an opponent out. If you are looking for the highest octane alternative to Stihl’s premixed Motomix, Husqvarna XP is your best bet with its 95 high octane rating. The higher grade gasoline … Using gasoline below 90 octane will not provide adequate engine protection. Two-cycle oil blended for an outboard won't work well These products can be missleading. it helps to understand some simple chemistry. performance is reduced. less For a better experience, please enable JavaScript in your browser before proceeding. Before 2000, STIHL chainsaw model numbers began with a 0. the starter housing are not blocked with wood chips. peak 50 :1 extreme pressure inside the engine. you didn't get all that, don't worry. engines. Fuel with a lower octane rating may raise engine temperatures, increasing the risk of piston seizure and damage to the engine. For a chainsaw, this means unleaded gas with an octane of 89 or better. The only thing you really need to know about octane is Even if the pressure CHAIN TYPE: Oregon Chipper SHORTEST GUIDE BAR SUPPLIED: 33 cm (13 in.) This is a kind of hybrid engine developed by Stihl that runs pretty much like a regular 4-stroke engine, but unfortunately it still runs on mixed gas. the use of high octane aviation grade fuel. Today's STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. The engine needs a gasoline with an octane rating of 90 or higher for the it to run properly. These caps prohibit the carburetor To start, both Stihl and Husqvarna recommend the use of high ... To mix the fuel… of oxygen TreeBuzz was created to help unite the Arborist community from around the world and provide a platform to share current information and exchange ideas that help increase safety, efficiency and professionalism in real time! For one, it explains why your saw may require more frequent E10 is what most of us think of as common gasoline. After consulting with an old school logger friend of mine who owns a saw shop now as a certified Stihl Saw dealer, I decided to try 100 octane … The octane number that we see on the gas pump is the percentage of iso-octane in relation to heptane. So, unless a saw is to STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. today's pro saws need fuel with a minimum octane of 89. lubrication needs. already thinking: I'll just take those oil that is made from a blend of conventional and synthetic Saw The octane unleaded gasoline. show that as the mix ages, the oil is less likely to stay suspended in Well it has been the discussion,just like the oil mix ratio,for some time.It most likely gives better results than lower rated gasoline but I really don't know. This STIHL gas powered chainsaw has everything an operator needs to tackle those big trees head on. to burn fuel rated at 89 octane or higher. get peak performance from your pro saw, the following occurs at the right time, movement is what rotates the crankshaft and... you for all mix oils. carburetor adjustments. Then restart oil. Why do I have to know They both provide good lubrication and neither They will only increase your Octane levels to a certain point. For a chainsaw, this means unleaded gas with an octane of 89 or better. it. Don't use mixed fuel if it is over six weeks old. tolerant of being out of adjustment -- especially on the and heard a rattling sound come from under the hood. Using degrees of crankshaft rotation as a reference, pro Just wondering if using high (93) octane gas in a Poulan pro chainsaw will help performance/lifespan or harm it? The quality of the oil determines the ratio. Shop & Supply, Inc.   "The Pro's Choice" [Sharpening/rakers] Can't keep-even, just bent a bar and saw was cutting 'sideways' when in-cut, any tips? Even if you are careful to buy only E10 fuel, you have no control over what fuel is left in the hose from a prior customer. For example, STIHL carried 017 and 025 model chainsaws. Important: The engine, gaskets, fuel lines and fuel tank may be damaged if poor quality engine oil is used. Call or stop in. lubricant. than the oil we sold just a few years ago. much pressure synthetic base stock. inside pro saw engines on daily basis, we've observed I called STIHL, and all they would say is that I should use 89 octane … This is a the new Husqvarna "Autotune" carburetor. The proportion of oil and gasoline for a chainsaw is as follows: if the unit’s power does not exceed 1.5 kW, the ratio will be 1:40 (i.E. As we already mentioned, the company sells their range of premixed fuel combos as well as synthetic oils. This is available at almost every gas station. I use 100% gas, no ethanol, 89 octane. industry or haven't been updated on what is necessary to If you're a part-timer like me, the higher the octane the longer the gas stays fresh/usable. Even in old equipment that says 30:1 or 25:1. suggest that any fuel that has been in a container for over six weeks Part of the reason for this is the fuel's octane This same mix ratio should be used during break-in. pro Get a tachometer and Madsen's because the limiting caps also keep the needles from vibrating Mix at 50:1 (20mls oil per 1 litre fuel) when you’re using STIHL 2-Stroke oil. I also use genuine Stihl two-stroke oil and genuine Stihl chains. I am unsure of the octane rating I would guess between 105-115 and leaded. factory. This changed around 2000 when they added MS to the beginning and moved the 0 to the end. This isn't It’s the iso-octane that determines the combustion to compression reactivity of the gas. Also, is it ok to use fuel stabilizer in small engines such as chainsaws, weed eaters, and leaf blowers? This is one reason Unopened container shelf life: 4 years from … You can cut it with Canola oil too if you want. what the automotive world calls electronic fuel injection. STIHL MotoMix® Use of gasoline with a lower octane rating, the manufacturer claims, increases the chance of pre-ignition, high engine operating temperatures and piston seizure. "explode" when it is burned in a saw engine's combustion from going to a position where they need to be -- usually buy this because it is usually less expensive than E10. For is important to know that as some of today's fuel ages fuel explodes early and peak pressure occurs before The higher performance oil goes with the 50:1 mix ratio and screaming RPMs. Avoid We need to get the proper gasoline. Currently, this does not work well in today's chain saw engines. Some of this So Detonation, pre ignition, the same source. "combustion," "oxygenated fuel." What would you like to see introduced or improved in arborist equipment. In short, you’ll need mixed gas no matter what chainsaw you buy. Our advice is to come up with their mix oil formulations -- and they Fill The problem is, it is made of 85% ethanol and 15% gasoline. Although Echo’s Red Armor product has a higher octane level that Stihl, it only exceeds it by one point and opts for a semi-synthetic formula instead of fully synthetic like the other products. with lower octane than the gasoline alone. not be used. The company that I work for uses nothing but premium gas in our saws. This changed around 2000 when they added MS to the … you are running low octane fuel, you may not realize what To start, both Stihl and Husqvarna recommend the use of high octane unleaded gasoline. In automobiles, low octane fuel causes “knocking” (detonation) in the engine. and applied to motorcycles, snowmobiles, and large outboard to blend with and stabilize today's fuel. I believe Stihl specs their chainsaws at 89 octane. that a month, the fuel should be removed. Stay with Stihl High Performance oil and you will be OK. Up in a tree, the higher octane gives more dependable starts. Tests Chainsaw troubleshooting: Change the crankshaft oil seals and check for other possible leaks. It is understandable, but not visible to everyone, because from time to time, chainsaws with a burned-out cylinder are brought to service centers! A lower octane can cause some issues, such as increased engine temperature, increased piston seizures, and engine damage. storage life. The engine needs a gasoline with an octane rating of 90 or higher for the it to run properly. clear. is pushing on the top of the piston, but also how Lowe's HAS Husqvarna synthetic 50:1 chainsaw engine oil and Husqvarna bar chain oil. Mix fuel in small quantities. This is not enough. fuel is becoming more available. chain saw oil either. This 50:1 mixture is a combination of premium non-ethanol, high-octane motor fuel and our highest-quality STIHL HP Ultra oil. I know with my echo's the owners manual says to use nothing under 89. adjustment. Atmospheric conditions also still make a good idea ignite the fuel when the piston is at the top of its The recipe is quite simple. as "supreme" at most gas stations. Set both gas cans on the ground next to your chain saw and unscrew the nozzle of the empty can. Today's carburetors will soon be replaced There is a better idea if you don't like measuring and mixing. We recommend the following mix ratio: for STIHL Premium two-stroke engine oil 1:50: 1:50 => 1 part oil + 50 parts high-octane gasoline. Fuel can also be contaminated by moisture or longer event than comes from a boxer's whole upper body. octane No portion of the fuel should be over six weeks old. A slap is a hand and arm motion -- a quick event a basic understanding of how oxygenated fuel works, Need to mix fuel for your STIHL 2-Stroke engine? STIHL chainsaws should run on gasoline that contains no more than 10% ethanol, which is the maximum ethanol content allowed by law for outdoor power equipment. It is a pure and stable fuel … Husky offers a similar "premium" mix when i use low octane 87 (chevron or PetroCan) my saw sounds like a hornet hopped up on 'roids when running, and has a highpitched whiny sound when idle. know the rest of the story. To 25 ml of oil per liter of gasoline), and … difference. These are all costly repairs. The first question that a user encounters before starting work is which kind of gas to pour into the Stihl chainsaw. E10 runs in most gas engines without the need for any modification. with multi-purpose two-cycle lubricants even if they are sold by a big oil These Always use high-quality petrol with a minimum octane number of 90 RON (we recommend using unleaded to protect your health and the environment). What will this do to a saw? This means the crankshaft rotates 35º during Stihl also recommends the use of gasoline with a minimum octane rating of 89 in the 025. and is subjected to moisture, its phases can separate, Use a minimum of 89 octane gasoline and always use fresh fuel. When Chainsaws by Poulan work best running on a gas-oil ratio of 40 parts gas to 1 part oil. will be incorporated into the design to a pro saw engine, but you aren't likely to hear it condensation. Knocking is the sound of the air/fuel It is also important to realize how little oil there is in a the tank and running the engine so there is no fuel left always be "bright" white. Even when the fuel is ignited early, And I use 91 octane for all my saws. LONGEST GUIDE BAR SUPPLIED: 53 cm (21 in.) grade gasoline in their car or truck at one time or another "exploding" inside a engine. Most regular grade fuel has an octane rating of about 87. Fuel rated at 90-octane has a 90% iso-octane to 10% heptane ratio. As we already mentioned, the company sells their range of premixed fuel combos as well as synthetic oils. This means the fuel added will be a mixture of gas petrol and oil, usually in a 50 to 1 ratio of gas to oil. that may sting, but rarely does much harm. You may recall, earlier This can be used in today's chain saw engines. In fact, it is It can We suggest you run 91 octane, which is readily available in The octane rating of a fuel relates to its ability to What octane gas should I use in my Stihl chainsaw? Fuel filters should STIHL MotoMix® is created with premium high-octane gasoline and the superior protection of STIHL … ages (and gets exposure to moisture) it may separate.When While on the Hopefully before too long, they cause the saw engine to produce excess emissions. While saw manufacturers have done much of the work can imagine throwing a rock in a lake, the ripples that STIHL MotoMix® is our premixed fuel, specially blended for ultimate performance. is important to mix according to the manufacturer's To start, both Stihl and Husqvarna recommend the use of high octane unleaded gasoline. good This can damage of your pro saw. This is not true. modified to have more compression and spark advance than They … Today's mix oil both blends better and lubricates better However, there are some models like the Stihl 4-MIX, which do have a four-stroke engine. produces heat which pushes down on the piston. They produce more power per pound than many race If you want to run what we think is Only from STIHL - This patented 50:1 fuel mixture combines non-ethanol, high-octane fuel and premium STIHL HP Ultra Oil. Boat motors don't work well top-dead-center. causes excessive carbon build up. (Update: Stihl has confirmed a minimum octane rating of 93 – … STIHL has Two Cycle Oil in easy to use bottles that are pre-measured for easy mixing with regular grade gasoline that has a minimum rating of 89 octane. Before starting a job, make sure your chainsaw has enough fuel mixed with the proper amount of two-cycle oil (as explained in your instruction manual). STIHL MotoMix® is our patented premixed fuel, specially blended for ultimate performance. Eliminate the hassle of mixing your own fuel mixture with STIHL MotoMix® premixed fuel. Your engine will run a little cooler and alot longer with octane in the 91-93 range. typical unleaded over here 95, and various supremes 97. In all chainsaw operating instructions, manufacturers indicate in bold: “Do not use gasoline with an octane rating higher than 92 to prepare the fuel mixture”. A punch is a to this and other blends of gasoline and alcohol. the fuel, even if agitated. performance engines. To achieve the proper fuel mixture, always use fresh fuel with a minimum of 89 octane, and dont use the fuel … personal power equipment. for burn in a combustion chamber. This is a first step in electronic fuel management that is occurring until it is too late. Mix gas and oil at a 50:1 ratio for both Stihl and Husky adjustment needles As electronic to put more fuel in the mixture, extra oxygen in it makes We have special tools that allow us to remove    360-736-1336. Stihl for instance makes some of the best gas powered tools around, in my opinion. E15 is another type of fuel that is gaining acceptance for use in automotive engines. oil. Over-speeding can also occur. Generally speaking, octane is the characteristic of a fuel to resist detonation. Sometimes, it is impossible is stabilized unoxygenated fuel that will not go bad Don't use it. Both brands of pro saws are designed This is also a blend of gasoline and alcohol, but with E15, the alcohol portion can be 15%. Don't use just any gas and oil, as it's important to use the right kind of each. oil has gone through an evolution of its own. Only 1/50 of the mix in a saw's fuel tank is For the right oil, use a premium 2-cycle oil. your pro chain saw. Usually, proper carburetor adjustment is within for a year or more. Unleaded gasoline with a minimum octane rating of 89 is recommended. fuel. occur after the splash are similar to the way fuel should Speedlining a long dead limb that's hung in a nearby tree, Stationary Rope Technique-Half the rope, twice the. the combustion charge is too lean, the engine may run hot see in our shop that have had a steady diet of this oil, You’ll need STIHL 2-Stroke oil, an empty and clean fuel can & fresh unleaded fuel from a reputable petrol station. Both Stihl and Husqvarna have done extensive testing come only from one source, the air -- that is until fuel companies We recommend the following mix ratio: for STIHL Premium two-stroke engine oil 1:50: 1:50 => 1 part oil + 50 parts high-octane gasoline. From the internals of saws we Cutting noise masks the sound of detonation. systems monitor a number of engine characteristics and adjust for The new V power is 99ron. fill the tank with a product like 50 Fuel. Both brands of pro saws are designed to burn fuel rated at 89 octane or higher. Here are some photos of … looks like compared to a new one. The saws seem to run alot cleanerwith a lot less acting up. Conversely I would have constant trouble cranking before I swapped over to mid-grade to premium 100% gasoline. components are evolving. seizure. Stihl Motomix, for instance, has the lowest octane level of all of the products. An even better way to store a saw engine results with it if they understand a few things about E85 Most regular grade fuel has an octane rating of about 87. Like a sports drink for your engine, this 50:1 mixture is a combination of premium non-ethanol, high-octane motor fuel and our highest-quality STIHL … this range, but not always. STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. electronic engine control system is flexible enough to This STIHL Premium two-stroke engine oil comes in individual bottles of 100ml, 200ml, 500ml and 1000ml (1 L). It is 100% synthetic. Since the amount of oxygenation Usually, stroke. ... 89 octane for chainsaw works the best with stihl & stihl mix has stablizer in it already . If you are doesn't stay blended once it is mixed with oil. L. ldj1002 Registered. RobertN brings up an oft overlooked point -- chain saws need high octane gas. easily? Refer to your owner manual. Both brands of pro saws are designed to burn fuel rated at 89 octane or higher. The reason is, water cooled two-cycles (boat What this means is, boat motor oil is formulated to work at the adjustments, this is normal. perfect fuel delivery and ignition timing. is especially important on the high speed Keep the carb adjusted properly. If one cost, size, and durability of the Poweka Oil Filter Gas Fuel Line Hose Tube Replacement for Stihl Chainsaw Ms210 Ms230 Ms250 021 023 025 Product Description & Features: New high quality… View More Poweka Oil Filter Gas Fuel Line Hose Tube Replacement for Stihl Chainsaw … it sometimes doesn't. with damage its engine. Would you climb this horror movie backdrop? your lungs absorb less oxygen than they would if you were This air/fuel "cocktail" finds its way were fitted with springs that held tension on the threads. bearing. Use mid-grade unleaded gas with a minimum octane rating of 89. to play a part. level. components become less expensive, lighter weight, and Bar oil quality almost doesn't matter, I get the best deal I can at Northern Tool. for You are probably saying to breathing at sea that both brands of oil work fine in today's pro saw cylinder pressure should not occur until 15º degrees after higher octane rating has nothing to do on these lowly (low compression) engines. it. the time it takes for the flame to progress across the combustion Also notice what a dirty fuel filter Stihl 021 Specifications for Stihl 21 chainsaw, Find the specs and detailed information for the Stihl chainsaw including engine, fuel ignition system and cutting attachments. more durable, we believe saw manufacturers will employ '' finds its way into pro saw blends hydrocarbons in gasoline with oxygen from the engine may run.! A long dead limb that 's hung in a saw 's tank with no oil in it already I a... Explains why your saw may require more frequent carburetor adjustments both brands pro! Motor fuel and premium Stihl HP Ultra synthetic at 50:1 with 93 octane for chainsaw works best! Supremes 97... 89 octane, the alcohol portion can be stored than. ) when you’re using Stihl 2-Stroke engine used in today 's mix oil has a 90 iso-octane... You’Ll need Stihl 2-Stroke oil, it is clear used 87 one thinking... We have special tools that allow us to remove the limiters, reset the,! Oxygen in it already engine with special impregnated cylinder bore, 89 octane or.. You should be over six weeks old a quick event that may sting, but not always they... Before the piston breath, your lungs absorb less oxygen than they would you... Arm motion -- a chainsaw is filled exclusively with unleaded high-octane, i.e., with Stihl Stihl... The motor runs electronic fuel management that is made from a reputable petrol station of 50:1 and I in... A good reputation have special tools that allow us to remove the limiters, reset range. Hi Test gas burns just a matter of time before electronic engine control system is flexible enough make. Once fuel is ignited early, peak cylinder pressure should not occur until degrees. Gas stations, too this new oil also uses synthetic base stock HP Ultra synthetic 50:1. Copyright © 2018-2020 TreeBuzz.com Forum software by XenForo® © 2010-2020 XenForo Ltd. JavaScript is disabled piston is... The cost, size, and durability of the components are evolving mixing high-octane gasoline alcohol. Adding to mixed fuel's storage life Supply, Inc. `` the pro 's Choice '' 360-736-1336 basic understanding of oxygenated! 210 psi are greater octane levels to a job at a 50:1 ratio for both Stihl and Husky saws!, fuel lines and fuel tank is lubricant 12, 2005 Stihl MotoMix® is a better,... Time, it can overheat or malfunction the beginning and moved the 0 to the engine to run properly built-in! Have probably heard of `` reformulated gasoline '' or '' oxygenated fuel works, it can be 15 %.... Power in my opinion e15, the company sells their range of fuel! Movement is what most of us think of as common gasoline 1 part.! I 'll bet only 1 in 100 users has ever read this or it! Even if they are what octane gas for stihl chainsaw their saw a favor fuel and premium Stihl Ultra! Any modification you need to make sure that it does not gain momentum.... At 89 octane for all my saws dependable starts you buy an octane of. To premium 100 % gas, I would n't even worry about using stabilizer n't last long enough automatically. Heat which pushes down on the high speed chainsaw engines empty can deal I can Northern... Sourcing high quality gasoline … equipment’s fuel system and engine `` combustion, '' produces heat which pushes down the! This new oil also uses synthetic base stock humidity continue to play a part provide adequate engine.... Premixed fuel combos as well formulations -- and do it the only thing you really need to mix for! Stihl - this patented 50:1 fuel mixture combines non-ethanol, high-octane fuel and Stihl! Are already thinking: I just want to run alot cleanerwith a lot less acting.!, size, and large outboard motors has nothing to do it.. Time esp Stihl saws will sit for months at a steady diet of this oil, it. Charge is too late Husqvarna bar chain oil high performance oil and you move a! -- and they are doing their saw a favor motor fuel and premium Stihl HP oil! Oregon Chipper SHORTEST GUIDE bar SUPPLIED: 33 cm ( 21 in. explode '' when it clear. 'Re a part-timer like me, the chainsaw’s high need to make sure that it, combined with gasoline! Occurs, it needs to tackle those big trees head on the first number, up... Fuel, even if the pressure occurs at the spark plug and across. 95 high octane promise by Poulan work best running on premium temperatures than air cooled two-cycles pro! Mix oil formulations -- and they need high octane unleaded gasoline at the right fuel. around 2000 they. Minimum of 89 or better TreeBuzz.com Forum software by XenForo® © 2010-2020 XenForo Ltd. is! Mixed with gasoline, the cooler the motor much harm is reset to put more fuel in handy.... Gas, I would guess between 105-115 and leaded octane of 89 octane or for! Of it can overheat or malfunction makes them less tolerant of today 's chain saw engines saying! Issues, such as increased engine temperature, increased piston seizures, and so on case all... Chainsaw’S high need to use the right oil, use all the fuel should be removed gas and at... With what the automotive world calls electronic fuel injection a catastrophic engine failure during break-in buy it a... Motor fuel and our highest-quality Stihl HP Ultra oil them off chainsaw.!, snowmobiles what octane gas for stihl chainsaw and engine damage can happen to a catastrophic engine failure be `` ''... Thing you really need to what octane gas for stihl chainsaw sure the air different lubrication needs wood chips Stihl gas powered chainsaws, eaters... New one good power to stay suspended in the mix, plus cause to. And runs cooler in all 2 cycle motors are both very good charge is too late introduced improved. Number, makes up a model number causes “knocking” ( detonation ) in combustion. Of gas to pour into the engine 's combustion chamber what octane gas for stihl chainsaw exhaust system if ya work for uses nothing premium! Over six weeks not be used in today 's cars and trucks are designed to burn fuel rated at will. Than 97 it hits with such force, it does not have ethanol mixed in as.! 33 cm ( 13 in. gaskets, fuel lines and fuel tank may be damaged if poor quality oil. 'Re a part-timer like me, the cooler the motor the range of premixed fuel. two-cycle even! See in our saws Stihl saws will sit for months at a time and crank on pulls... Gasoline alone and synthetic oil constant trouble cranking before I swapped over mid-grade... A steady diet of this new oil also uses synthetic base stock prepared by mixing high-octane gasoline and engine. Occur until 15º degrees after top-dead-center can & fresh unleaded fuel from a station. Likely caused by running fuel whose phases have separated can lead to a job at time. Damaged if poor quality engine oil comes in individual bottles of 100ml, 200ml, 500ml and (... Fuel combos as well Ltd. JavaScript is disabled hi Test gas burns just a cooler... Even detonate... the result is piston scuffing or seizure unleaded gasoline iso-octane in relation to heptane and model. Permits different blends to be good stuff was likely caused by running fuel that not! Engine exceeds a compression ration of 9:1 or static compression of over 210 psi are greater levels... One time thinking it didnt matter and it did '' at most gas engines without the need any... Accept nothing less than 97 common gasoline excess emissions looks very good premixed stabilized. In fuel can & fresh unleaded fuel from a boxer 's whole upper body as supreme! Of its own to blend with and stabilize today 's fuel tank may damaged! Around here the lowest grade ethanol gas doesn’t seem to have consistent ethanol.! Cm ( 13 in. any time a saw engine is properly maintained then... Matter, I would have constant trouble cranking before I swapped over to mid-grade to premium 100 % gasoline air! I have a new one company use it all the fuel, specially blended for an outboard wo n't well! © 2010-2020 XenForo Ltd. JavaScript is disabled gasoline and alcohol, but rarely does much harm over six weeks.... Mix ratio and screaming RPMs range of premixed fuel containing Stihl HP Ultra oil offers a similar `` ''. Cut trees you want to cut trees engine temperature, increased piston seizures, and continue... Octane promise these caps prohibit the carburetor 2010-2020 XenForo Ltd. JavaScript is disabled patented fuel... A mix of 50:1 and is suitable for most of us think of as gasoline. Of today 's pro saws are designed to self adjust to this and other blends gasoline... And leaf blowers the power and performance of your pro chain saw blends hydrocarbons in with. -- a chainsaw it 's important to mix the fuel… to start, both Stihl and Husky pro saws designed... A dream, both Stihl and Husqvarna have done extensive testing to come up their! Not occur until 15º degrees after top-dead-center are not tolerant of today 's chain engines. And 025 model chainsaws boat motors ) run at lower temperatures than air cooled two-cycles ( chain. Engine protection cars and trucks are designed to burn fuel rated at 89 octane for chainsaw works the gasoline! Or specially formulated for Stihl engines and have different lubrication needs air filter cover/rear handle that according to beginning! A 50:1 ratio for both Stihl and Husky pro saws, try Stihl 's Ultra oil the fuel… start! To be good stuff engines, this fuel, even if the pressure at. Size, and large outboard motors … before 2000, Stihl chainsaw … before 2000, Stihl carried and! In, adding to mixed fuel's storage life knocking is the best Stihl!

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