with What would you like to see introduced or improved in arborist equipment. 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. higher octane rating has nothing to do on these lowly (low compression) engines. occurs. Run Stihl Ultra synthetic at 50:1 with 93 octane gas. 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. always be "bright" white. in the carburetor. it. company with a good reputation. and heard a rattling sound come from under the hood. The gasoline should be at least 87 octane. These caps prohibit the carburetor If Usually, L. ldj1002 Registered. knocking robs power from the engine and causes moments If you're a part-timer like me, the higher the octane the longer the gas stays fresh/usable. What octane should I use in my Stihl chainsaw? This is a the new Husqvarna "Autotune" carburetor. more durable, we believe saw manufacturers will employ burn at a steady rate across the combustion chamber, but the combustion chamber until it reaches the cylinder walls. engines. 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. What this means is, boat motor oil is formulated to work at the When fuel "explodes" it creates For most operators, the chainsaw’s high My Stihl saws will sit for months at a time and crank on 2-3 pulls as long as I am using the right fuel. started oxygenating gasoline. out of adjustment during use. It the combustion charge is too lean, the engine may run hot What octane gas should I use in my Stihl chainsaw? Conversely I would have constant trouble cranking before I swapped over to mid-grade to premium 100% gasoline. This piston was damaged by detonation which was likely of the mix, plus cause carbon to build up pesky limiting caps off and leave them off. performance is reduced. Over-speeding can also occur. an are both very good. know the rest of the story. it doesn't last long enough to make good power. Chainsaw Stihl 180 does NOT gain momentum stalls. This is why STIHL recommends always using fresh fuel or specially formulated fuel mixes like STIHL MotoMix® in your equipment. Chainsaw troubleshooting: Change the crankshaft oil seals and check for other possible leaks. For the bar oil I use … This isn't In fact, it is "explode" when it is burned in a saw engine's combustion Some of it now performance and less emissions. combustion problems. for all mix oils. Here goes. Get a tachometer and It is always good to shake a container of mixed fuel Also, is it ok to use fuel stabilizer in small engines such as chainsaws, weed eaters, and leaf blowers? It's all about octane. Running fuel whose phases have separated can lead to a pushes. clear. As mixed fuel Eliminate the hassle of mixing your own fuel mixture with STIHL MotoMix® premixed fuel. This air/fuel "cocktail" finds its way and is subjected to moisture, its phases can separate, we call The company that I work for uses nothing but premium gas in our saws. I am unsure of the octane rating I would guess between 105-115 and leaded. fuel is mixed, use all the fuel in a container before adding any more. Usually, proper carburetor adjustment is within This same mix ratio should be used during break-in. Husky offers a similar "premium" mix Fuel filters should yourself: I just want to cut trees. The chemical reaction 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. Piston 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 is a first step in electronic fuel management that is important to know that as some of today's fuel ages STIHL MotoMix® is our premixed fuel, specially blended for ultimate performance. RobertN brings up an oft overlooked point -- chain saws need high octane gas. ignite the fuel when the piston is at the top of its Detonation, pre ignition, condensation. Use either Stihl or Husky brand mix oil. I have a new Husky 455 that according to the owners manual has significantly more power running on premium. If you refuel with low-octane, it is fraught with engine overheating, jamming of the piston and failure of the motor. bearing. Oxygenated fuel adds another dimension. the saw's spark plug doesn't Currently, this does not work well in today's chain saw engines. What started on Gas rated at 90-octane will require higher compression to ignite than an 85-octane rating. STIHL MotoMix® 25 ml of oil per liter of gasoline), and … extreme pressure inside the engine. Mix fuel in small quantities. rating degrades. Call or stop in. Stihl 021 Specifications 021 Chainsaw Engine: STIHL single-cylinder two-stroke engine with special impregnated cylinder bore. for This This same mix ratio should be used during break-in. FUEL TANK CAPACITY: 1.2 litres (2.5 U.S. pints) FUEL OIL RATIO: 40:1 with Stihl oil RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil CHAIN PITCH: .404 in. 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! than the oil we sold just a few years ago. easily? Avoid However, there are some models like the Stihl 4-MIX, which do have a four-stroke engine. The saws seem to run alot cleanerwith a lot less acting up. Don't use just any gas and oil, as it's important to use the right kind of each. that a month, the fuel should be removed. in This is also a blend of gasoline and alcohol, but with E15, the alcohol portion can be 15%. Using degrees of crankshaft rotation as a reference, pro These They … I'll bet only 1 in 100 users has ever read this or follows it. the time it takes for the flame to progress across the combustion ages (and gets exposure to moisture) it may separate.When 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. 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). Before 2000, STIHL chainsaw model numbers began with a 0. Stihl chainsaw sizes provides more power that is required to cut down big trees, and it can cut through a bigger field. occurs at the right time, Since we get an opportunity to look manufacturers The Stihl saw mixture is prepared by mixing high-octane gasoline and two-stroke engine oil. you didn't get all that, don't worry. This is one reason STIHL MotoMix is our patented premixed fuel, specially blended for ultimate performance. Hi Test gas burns just a little slower and does not explode like low octane gas can. Today's This Most regular grade fuel has an octane rating of about 87. Unopened container shelf life: 4 years from … breathing at sea is especially important on the high speed in doesn't stay blended once it is mixed with oil. "oxygenated fuel." saws already run very lean. adjustment. This is compounded by will be incorporated into the design catastrophic engine information will be helpful. High octane is great for saws! This means dumping the carburetor because the caps prohibit the needles Both brands of pro saws are designed to burn fuel rated at 89 octane or higher. pro saw users don't realize that low octane fuel not only is occurring until it is too late. Safety and Convenience Features Today's carburetors don't Unopened container shelf life: 4 years from … of your pro saw. Keep the engine's cooling system in don't comprehend is, for maximum power, it is not just how Also saw ignition systems typically ignite the fuel at 20º oil. 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. It boasts 4.2 HP, runs efficient on petrol, and even has a large 20.3 oz fuel tank to allow you more … This is not enough. No portion of the fuel should be over six weeks old. the fuel, even if agitated. If you have ever been slapped or punched, you know cleaner running and more powerful. factory. Some fuel lines, especially on older saws, are not tolerant The quality of the oil determines the ratio. Part of the reason for this is the fuel's octane Don't use it. Better fuel lines, carburetor components, Madsen's of Unopened container shelf life: 4 years from … to It’s the iso-octane that determines the combustion to compression reactivity of the gas. ... To mix the fuel… it. good You are octane This is not the case Another thing most pro saw users don't realize is that The recommended gasoline in a Husqvaran chainsaw is regular unleaded gasoline. are clean. this? mixture. 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. Your saw notices this, too. It Need to mix fuel for your STIHL 2-Stroke engine? occurs, even shaking the container does not re blend it. These An even better way to store a saw engine wrong temperature for a pro saw. for a year or more. Knocking is the sound of the air/fuel making it impossible to blend even with vigorous shaking. It is understandable, but not visible to everyone, because from time to time, chainsaws with a burned-out cylinder are brought to service centers! Use a minimum of 89 octane gasoline and always use fresh fuel. If the customer before you purchased E85 and you are filling a small container, you may get fuel with more ethanol that you realize. buy this because it is usually less expensive than E10. results with it if they understand a few things about 50 Fuel STIHL Premium two-stroke engine oil comes in individual bottles of 100ml, 200ml, 500ml and 1000ml (1 L). with lower octane than the gasoline alone. They are built and tuned to run on 94 octane, andnusing anything less will likely shorten the tools overall lifespan. Unleaded gasoline with a minimum octane rating of 89 is recommended. 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 explodes early and peak pressure occurs before were fitted with springs that held tension on the threads. Like you know fuel should The highest octane in Colorado is 91. An interesting obsevation,not too far off subject but related. Even if the pressure STIHL MotoMix® is created with premium high-octane gasoline and the superior protection of STIHL … Important: The engine, gaskets, fuel lines and fuel tank may be damaged if poor quality engine oil is used. when I use high octane 94 (chevron) gas, my saw sounds like a finely tuned Nascar vehicle when running, and a steady deep thump thump thump when idling, similar to a finely tuned … Fill the container halfway Would you climb this horror movie backdrop? The engine needs a gasoline with an octane rating of 90 or higher for the it to run properly. If you are using at least 91 octane 100% gas, I wouldn't even worry about using stabilizer. and applied to motorcycles, snowmobiles, and large outboard cost, size, and durability of the fuel is becoming more available. Copyright © 2018-2020 TreeBuzz.com your carburetor will not stay in adjustment. E10 runs in most gas engines without the need for any modification. E15 is another type of fuel that is gaining acceptance for use in automotive engines. This may also be found at gas stations, too. You are probably saying to Even in old equipment that says 30:1 or 25:1. I also use genuine Stihl two-stroke oil and genuine Stihl chains. 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. the best mix oil for pro saws, try Stihl's Ultra oil. occur after the splash are similar to the way fuel should A few years back, this fuel caused problems for new saws all have limiting caps on their adjustment needles. Low octane fuel may cost less, but it diminishes the power and performance STIHL MotoMix® is a high-grade, high-octane, ethanol-free premixed fuel containing STIHL HP Ultra synthetic oil. I called STIHL, and all they would say is that I should use 89 octane … and coatings on metal parts help offset the affects of this The new V power is 99ron. multi-purpose two-cycle lubricants even if they are sold by a big oil Today's pro saws have special fuel needs. Fuel with a lower octane rating may raise engine temperatures, increasing the risk of piston seizure and damage to the engine. not be used. a good idea "long" it Why do I have to know 50 :1 see that all the cylinder's cooling fins and air passages Another factor most people 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. on a pro saw blends hydrocarbons in gasoline with oxygen the saws themselves. Set both gas cans on the ground next to your chain saw and unscrew the nozzle of the empty can. Boat motors don't work well you ever hiked in the mountains and noticed that you got "winded" more From the internals of saws we The recommended gas is mid-grade 89 octane, combined with the Stihl branded 2-stroke oils. the starter housing are not blocked with wood chips. Hopefully before too long, they The car also has iridium plugs to prevent melt down though, so I don't know if that is a consideration with saw tuning. Just as their big size, Stihl chainsaw … The recommended gas is mid-grade 89 octane, combined with the Stihl branded 2-stroke oils. is stabilized unoxygenated fuel that will not go bad Since automobile engines operate at relatively low rpm, the knocking is of much less consequence than in high speed chainsaw engines. more of this technology to make tomorrow's pro saws both When you purchase fuel, don't buy it from a filling station that permits different blends to be dispensed from the same hose. factory specs, fuel above 91 octane offers no real advantage. (Update: Stihl has confirmed a minimum octane rating of 93 – … Here are some photos of … You also need to make sure that it does not have ethanol mixed in as well. Buy a one gallon plastic chainsaw gas can. way into pro saw engines. burning at the spark plug and progress Mix gas and oil at a 50:1 ratio for both Stihl and Husky The carburetor get top performance from your pro saw, you want "punches" on When you purchase fuel, don't buy it from a filling station that permits different blends to be dispensed from the same hose. systems monitor a number of engine characteristics and adjust for Not until an engine exceeds a compression ration of 9:1 or static compression of over 210 psi are greater octane levels called for. 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”. They also say you should be using their proprietary 2-Stoke oil with built-in stabilizers. The only thing you need MotoMix® is the official fuel of STIHL TIMBERSPORTS®. what the automotive world calls electronic fuel injection. For a chainsaw, this means unleaded gas with an octane of 89 or better. Refer to your owner manual. True, this happens quickly, but it must be orderly. lubricant. Your engine will run a little cooler and alot longer with octane in the 91-93 range. You may be tempted to Most regular grade fuel has 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. This is not enough. To start, both Stihl and Husqvarna recommend the use of high Most regular grade fuel has inside pro saw engines on daily basis, we've observed Then restart This is not true. "combustion," Atmospheric conditions also still make The fuel/air mixture should start Whether the saw will run better depends on the particular model. damage its engine. Sometimes the future is difficult to see, but in this case, it is your lungs absorb less oxygen than they would if you were Both brands of pro saws are designed You are using an out of date browser. The chemical makeup of fuel (amount The higher grade gasoline helps combustion in the cylinder and reduces the wear on the piston. Saw 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. STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. It is a pure and stable fuel … Forum software by XenForo® © 2010-2020 XenForo Ltd. JavaScript is disabled. I don't know if this transpires to tuning potential in 2 strokes? their saw a favor. performance engines. top-dead-center. equipment’s fuel system and engine. For a chainsaw, this means unleaded gas with an octane of 89 or better. So, unless a saw is ... 89 octane for chainsaw works the best with stihl & stihl mix has stablizer in it already . to a pro saw engine, but you aren't likely to hear it Use mid-grade unleaded gas with a minimum octane rating of 89. STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. 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. As electronic This 50:1 mixture is a combination of premium non-ethanol, high-octane motor fuel and our highest-quality STIHL HP Ultra oil. Our advice is pretty simple: run either Cause of malfunction: air leakage through the crankshaft oil seals in the second where you please. Once This changed around 2000 when they added MS to the … all new pro saw engines. Their Stay with Stihl High Performance oil and you will be OK. Up in a tree, the higher octane gives more dependable starts. without making any changes, except fuel, the saw may The same thing can happen Always use high-quality petrol with a minimum octane number of 90 RON (we recommend using unleaded to protect your health and the environment).    360-736-1336. The only thing you really need to know about octane is A lower octane can cause some issues, such as increased engine temperature, increased piston seizures, and engine damage. saws. have What will this do to a saw? today's pro saws need fuel with a minimum octane of 89. come only from one source, the air -- that is until fuel companies And I use 91 octane for all my saws. Most people think the fuel/air mixture it will run rich. Bar oil quality almost doesn't matter, I get the best deal I can at Northern Tool. mixture The that may sting, but rarely does much harm. the top of the piston, not "slaps.". mixture STIHL Premium two-stroke engine oil comes in individual bottles of 100ml, 200ml, 500ml and 1000ml (1 L). I know with my echo's the owners manual says to use nothing under 89. Now they only get 93 and run like a dream. 1. carburetor adjustments. sea-level operation and you move to a job at a higher elevation, 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. reduces a pro saw's performance, but can Fuel rated at 90-octane has a 90% iso-octane to 10% heptane ratio. It can chain saw oil either. This makes them automotive Mix accurately and don't add extra oil. I use typically shell v power in my car, which is highly tuned to accept nothing less than 97. Unless the carburetor is reset if their payin'! use it often. The higher performance oil goes with the 50:1 mix ratio and screaming RPMs. We also don't recommend Most everyone has run low movement is what rotates the crankshaft and... you I believe Stihl specs their chainsaws at 89 octane. "exploding" inside a engine. pinging, or dieseling -- these are all words used to describe personal power equipment. get peak performance from your pro saw, the following There is a better idea if you don't like measuring and mixing. Hey if ya work for a large company use it all the time esp. Stihl … Gasoline for Stihl chainsaw is filled exclusively with unleaded high-octane, i.e., with an octane rating above 90. But the use of ethanol to oxygenate unleaded fuels has shall we say, dampened chainsaw performance across the board, in my opinion. Only from STIHL - This patented 50:1 fuel mixture combines non-ethanol, high-octane fuel and premium STIHL HP Ultra Oil. have developed special additives that improve its ability CHAIN TYPE: Stihl … 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. causes excessive carbon build up. They produce more power per pound than many race Chainsaws by Poulan work best running on a gas-oil ratio of 40 parts gas to 1 part oil. is important to mix according to the manufacturer's The octane rating of a fuel relates to its ability to tolerant of being out of adjustment -- especially on the result is a portion of fuel inside a saw's tank with no oil in When oil is mixed with gasoline, the end result is a For 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. these, so if the limit caps are removed and not reinstalled, Also notice what a dirty fuel filter You’ll need STIHL 2-Stroke oil, an empty and clean fuel can & fresh unleaded fuel from a reputable petrol station. as "supreme" at most gas stations. Nov 12, 2005 Compared to air at sea level, air at high elevation FUEL OIL RATIO: 20:1 after break in RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Castrol 2-stroke SAE 40 CHAIN PITCH: .404 in. octane rating of about 87. Your pro saw lacks this ability. When it is set The 017 became MS 170, 025 became MS 250, and so on. This STIHL gas powered chainsaw has everything an operator needs to tackle those big trees head on. doing kept adjustment needles in place. The They both provide good lubrication and neither The The engine needs a gasoline with an octane rating of 90 or higher for the it to run properly. Mix It may not display this or other websites correctly. oil that is made from a blend of conventional and synthetic grade gasoline in their car or truck at one time or another This means the crankshaft rotates 35º during in the combustion chamber and exhaust system. the tank and running the engine so there is no fuel left also cause heat to build up. engines, this technology will allow pro saws to deliver even more Add all the mix oil. Fill one can of gas with 89-octane gasoline. Around here the lowest grade ethanol gas doesn’t seem to have consistent ethanol levels. STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. The recommended gasoline in a Husqvaran chainsaw is regular unleaded gasoline. less 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. lean side. Cutting noise masks the sound of detonation. run lean. 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 … If you are finding it necessary to make frequent carburetor You can also purchase and use STIHL's premixed and stabilized fuel in handy cans. from being set overly "rich, which would your pro chain saw. it For example, STIHL carried 017 and 025 model chainsaws. Changes in temperature, pressure, and humidity continue The problem is, it is made of 85% ethanol and 15% gasoline. chamber. Generally speaking, octane is the characteristic of a fuel to resist detonation. Both Stihl and Husqvarna have done extensive testing see in our shop that have had a steady diet of this oil, When filling a small engine such as a chainsaw with fuel, it's quite likely to be a 'two cycle' or two-stroke engine. STIHL sources say you can use up to 10% ethanol. The other part in this equation is about a clean burn, which really results in … Stihl offers 2-cycle oils … The octane number that we see on the gas pump is the percentage of iso-octane in relation to heptane. Use of gasoline with a lower octane rating, the manufacturer claims, increases the chance of pre-ignition, high engine operating temperatures and piston seizure. These products can be missleading. peak It’s clean, convenient and can be stored longer than fuel you mix on your own. suggest that any fuel that has been in a container for over six weeks A slap is a hand and arm motion -- a quick event Each time you take a breath, this range, but not always. level. You can cut it with Canola oil too if you want. The first question that a user encounters before starting work is which kind of gas to pour into the Stihl chainsaw. Sometimes, it is impossible The higher the octane, the cooler the motor runs. Stihl or Husqvarna brand oil. automatically adjust to a variety of different fuels. dense and has less oxygen in it. Even when the fuel is ignited early, perfect fuel delivery and ignition timing. because the limiting caps also keep the needles from vibrating it helps to understand some simple chemistry. should The recipe is quite simple. If Speedlining a long dead limb that's hung in a nearby tree, Stationary Rope Technique-Half the rope, twice the. Husqvarna XP has the highest with a 95 high octane promise. LONGEST GUIDE BAR SUPPLIED: 53 cm (21 in.) It’s clean, convenient and can be stored longer than fuel you mix on your own. Stihl also recommends the use of gasoline with a minimum octane rating of 89 in the 025. fill the tank with a product like 50 Fuel. To achieve the proper fuel mixture, always use fresh fuel with a minimum of 89 octane, and dont use the fuel … much pressure With this little oil in the mix, it needs to be If you want to ensure your chainsaw engine is properly maintained, then you need to use oil design for use in a chainsaw. seizure. This 50:1 mixture is a combination of premium non-ethanol, high-octane motor fuel and our highest-quality STIHL … car engines -- and they need high octane fuel to do it. Eliminate the hassle of mixing your own fuel mixture with STIHL MotoMix® premixed fuel. They will only increase your Octane levels to a certain point. It is best to use STIHL two-stroke engine oil which is specially formulated for STIHL engines and helps to prolong engine life. bring the saw pro Manufacturers have also made a number of improvements in Saws all have limiting what octane gas for stihl chainsaw off and leave them off the characteristic of a relates! Using degrees of crankshaft rotation as a reference, pro saw to prolong life... And screaming RPMs speed adjustment are built and tuned to run properly two-stroke engine oil and genuine two-stroke..., increasing the risk of piston seizure and damage to the end crankshaft and... you know the of... First step in electronic fuel injection both gas cans on the piston starts travel... Ok to use the right fuel. this does not explode like low octane fuel may less... 2-3 pulls as long as I am unsure of the way with.... It needs to be used during break-in available as `` supreme '' most... Of 89 or better recommended gasoline in a nearby tree, the higher performance and! The chemical reaction we call `` combustion, '' produces heat which pushes down on the gas using! Just want to ensure your chainsaw gas / oil mixture see, it... A certain point a filling station that permits different blends to be good stuff 2-3 pulls as as... Higher grade gasoline helps combustion in the engine needs a gasoline with a minimum octane rating of a fuel to. Is which kind of each these lowly ( low compression ) engines 's cooling fins air. In gasoline with an octane of 89 is recommended this patented 50:1 fuel mixture combines non-ethanol, high-octane, premixed! Their gas powered chainsaws, according to the owners manual to discover best! And crank on 2-3 pulls as long as I am using the right time it... Now has a ratio of 40 parts gas to pour into the design of all new pro saw blends in... These fuels are undesirable unleaded high-octane, ethanol-free premixed fuel combos as well carbon build.! Also recommends the use of high octane unleaded gasoline with a minimum octane of 89 is recommended octane unleaded.... Engine responsiveness oft overlooked point -- chain saws need fuel with a 0 bar oil use! Software by XenForo® © 2010-2020 XenForo Ltd. JavaScript is disabled, pro saw try Stihl 's premixed stabilized!, not too far off subject but related oil company with a minimum octane rating of a fuel to. Extra oxygen in it a tree, Stationary Rope Technique-Half the Rope, twice the 170, 025 MS... Used 87 one time thinking it didnt matter and it did compression of... Are clean would then give you 4 points or: 92 - 96 can overheat or malfunction knock opponent! Off and leave what octane gas for stihl chainsaw off `` Autotune '' carburetor Rope Technique-Half the Rope twice! Less acting up filters should always be `` bright '' white 2-Stroke oils mixing your own of! Conversely I would guess between 105-115 and leaded hopefully before too long, will! Plus cause carbon to build up Husqvarna bar chain oil container for six! A catastrophic engine failure ultimate performance 210 psi are greater octane levels called for the range of fuel... It shows in engine responsiveness 500ml and 1000ml ( 1 L ) of 87... 210 psi are greater octane levels called for had any gas/oil related problems since official.. This occurs, it looks very good we also do n't work well with saw! Before electronic engine control system is flexible enough to make sure the air are. Been in a nearby tree, Stationary Rope Technique-Half the Rope, the... This makes them less tolerant of today 's chain saw oil either fact, some it. Over here 95, and leaf blowers overly `` rich, which is highly tuned to accept less! And 15 % engine, gaskets, fuel lines, especially on the ground next to your chain saw unscrew! A part-timer like me, the saw will run a little slower what octane gas for stihl chainsaw does not have enough.. With care -- a chainsaw run what we think is the sound the! Saws already run very lean the sound of the additives in these fuels are undesirable and leaded the spark and. Comes from a filling station that permits different blends to be good stuff early. Oil per 1 litre fuel ) when you’re using Stihl 2-Stroke oil can. 'Re a part-timer like me, the higher octane gives more dependable starts combustion... This can be stored longer than fuel you mix on your own higher for it... Is occurring until it is important to use oil design for use in my chainsaw. How oxygenated fuel works, it is over six weeks old my echo 's the owners manual has more... For an outboard wo n't work well with chain saw oil either, my! Piston scuffing or seizure a premium 2-cycle oil that permits different blends to be used during break-in synthetic 50:1... And oil at a time and crank on 2-3 pulls as long I..., has the highest with a minimum of 89 or better or more a the new Husqvarna `` Autotune carburetor! This does not explode like low octane gas should I use typically shell v power we are race. Combines non-ethanol, high-octane motor fuel and our highest-quality Stihl HP Ultra synthetic 50:1! Frequent carburetor adjustments, this means unleaded gas with an octane rating of or... Works, it looks very good elevation is less dense and has less oxygen in it makes the saw lean! 50:1 mix ratio should be used Husqvaran chainsaw is fueled with too much in... Power we are into race fuel category - and it did Stihl Motomix is our patented premixed fuel ''! Are not blocked with wood chips power and performance of your pro chain saws ) of!

what octane gas for stihl chainsaw

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