What is the correct fuel mixture for a Stihl Chainsaw?
Use the below as a guide for creating your mixture:
- 1 gallon of gasoline + 2.6 fluid ounces of oil
- 2.5 gallons of gasoline + 6.4 fluid ounces of oil
- 5 gallons of gasoline + 12.8 fluid ounces of oil
What is the oil gasoline ratio for Stihl Chainsaw?
Your manual will tell you the fuel mixture you need. Many gas-powered chainsaws run on a 40:1 mixture of gasoline and 2-cycle engine oil. Stihl chainsaws and others run on a 50:1 mixture of gas and 2-cycle engine oil. Some older models use a 30:1 ratio.
What is the gas mix for a 015 Stihl Chainsaw?
What Is the Fuel-Oil Mix Ratio for a Poulan Chain Saw?
- Recommended Ratios. Poulan 2-cycle air-cooled engine oil can be found in 3.2-ounce bottles. Mix one bottle with 1 gallon of fresh gasoline.
- Proper Fuels. Poulan engines are designed to run best on 87-octane regular unleaded gasoline -- avoid using diesel fuel and E85.
- Mixing Things Up
Which Stihl chain saw has the highest RPM?
- Displacement : 121.6 Cc (7.42 Cu. In.)
- Engine Power : 6.4 Kw (8.6 Bhp)
- Powerhead Weight : 10.1 Kg (22.3 Lbs.)
- Fuel Capacity : 1300 Cc (44.0 Oz.)
- Chain Oil Capacity : 700 Cc (23.7 Oz.)
- Oilomatic Chain : .404″ Rm, Rs 3/8″ Rs3
- Guide Bar Lengths (Recommended Sizes) : 43 To 150 Cm (17″ To 59″) Stihl Rollomatic
What is a 50 to 1 mixture?
One oil for all your equipment This is in contrast to two-stroke engines that inject oil into the engine, such as many snowmobiles and newer outboard motors. The mix ratio is the proportion of gas to oil, expressed as a ratio. For example, 50:1 means 50 parts gas to 1 part oil.
What is the best fuel to run in a Stihl chainsaw?
To start, both Stihl and Husqvarna recommend the use of high octane unleaded gasoline. Both brands of pro saws are designed to burn fuel rated at 89 octane or higher. Most regular grade fuel has an octane rating of about 87.
How much oil do I need for a 50 to 1 ratio?
2.6 fluid ouncesFor a 50:1 ratio of gas to oil, use 2.6 fluid ounces of oil per gallon of gas. For a 40:1 mixture, use 3.2 fluid ounces of oil per gallon of gas.
How do you mix 2 stroke fuel for a Stihl?
You'll need STIHL 2-Stroke oil, an empty and clean fuel can and fresh unleaded fuel. We recommend a 50:1 mix ratio (20mls oil per 1 litre fuel) when using STIHL 2-Stroke oil. If you're using a different brand of 2-Stroke oil, you'll need to mix at 25:1 (40mls oil per 1 litre fuel).
Should I use premium gas in my STIHL chainsaw?
Guidelines for using E10 gasoline in STIHL power equipment: Use a minimum of 89 octane gasoline and always use fresh fuel. Only buy enough gasoline that you can easily use up within a two- month period. For air-cooled, two-cycle engines, use a quality mix oil that meets the engine manufacturer's recommendations.
What happens if you use regular gas in a chainsaw?
Chainsaw engines require a premixed fuel to keep them running at the proper temperatures. The oil that's added to the fuel lubricates the piston and crankshaft, but it also keeps the engine cool enough to keep running. Without this oil in the gasoline, the piston will seize and the engine will be ruined.
How do you know if your 2-stroke has too much oil?
Excess oil can produce a smoky exhaust, oil leaking out of the muffler, and sometimes loss of power. While not ideal, these issues can be fixed by simply replacing the fuel in the tank with properly mixed fuel.
What is Stihl 2 mix engine?
The STIHL 2-MIX engine A 2-MIX engine is a 2-stroke engine that replaces the unburned fuel, which would have left via the exhaust during the transfer process, with fresh air. This is achieved by the addition of an extra 'fresh air' port either side of the inlet manifold between it and the transfer ports.
What is the petrol oil mix for Stihl?
STIHL Chainsaws use a mixing ratio of 1 part oil to 50 parts petrol, which is 20 mls of oil per litre of petrol. If you are using any other brand please mix at 25:1 or 40 mls per litre. Using the correct fuel mixture is vital not only for Chainsaw performance, but also to protect the engine from potential damage.
How much 2-stroke do you put in a STIHL saw?
The ratio you need to remember when making up fuel mixture for your STIHL petrol tool is: 1:50 = 1 part oil + 50 parts petrol, or 20 ml oil per litre of petrol when using STIHL 2-Stroke Engine Oil.
What is the best 2-stroke mix ratio?
Most 2-stroke chainsaws recommend a 50:1 chainsaw oil mix ratio. But some recommend 40:1. Older two-stroke equipment might even call for 32:1.
What is STIHL 4 mix?
The STIHL 4-MIX engine thus combines the advantages of a 2-stroke and a 4-stroke. As well has having plenty of lugging power and perceptibly higher torque, the 4-MIX engine is also convincing in terms of lower emissions, low maintenance and a pleasant sound.
What kind of oil should I use for a Stihl engine?
It is best to use STIHL two-stroke engine oil which is specially formulated for STIHL engines and helps to prolong engine life. The engine, gaskets, fuel lines and fuel tank may be damaged if poor quality engine oil is used. To mix the fuel, first pour the engine oil and then the petrol into a suitable can approved for use with fuel.
How to mix petrol and oil?
To mix the fuel, first pour the engine oil and then the petrol into a suitable can approved for use with fuel. Before pouring this mix into the fuel tank, first mix it thoroughly by shaking the can. Take care when opening the can as pressure may have built up inside.
THE RIGHT FUEL & OIL RATIO FOR YOUR STIHL PETROL CHAINSAW
It’s important to power your Chainsaw with a fuel mixture made to the right recipe: unsuitable fuels and the wrong mixing ratios can cause serious damage, leading to piston seizure, excessive wear, and ultimately a shorter lifespan for your Chainsaw.
USING THE RIGHT INGREDIANTS IN YOUR FUEL MIX
The petrol in your fuel mixture needs a minimum octane rating of 90 RON; the petrol that is widely available at New Zealand petrol stations is rated at 95/98 RON. Use high-quality fuel for best performance.
HOW TO MIX FUEL FOR YOUR CHAINSAW
Make up your fuel mixture in a container that is approved for use with fuels –STIHL sells a Fuel Mixing Bottle and a 5 Litre Fuel Can. Pour in the oil first, followed by the petrol; seal the fuel can and give it a good shake to combine the fuel mixture. Now you’re ready to use the fuel mixture in your Chainsaw.
TIPS: HOW TO ENSURE YOUR PETROL CHAINSAW'S LONGEVITY
In addition to using the right types of petrol and engine oil and mixing them in the correct proportions, here are some more important points to keep your Chainsaw working well.
CHAINSAW BAR LUBRICATION
Adequate and constant lubrication of the bar and chain is important to avoid damage to many of the key components of the Chainsaw. Bar lube will prevent premature wear and damage to the bar, chain and drive sprocket combination.
What oil do chainsaws run on?
Many gas-powered chainsaws run on a 40:1 mixture of gasoline and 2-cycle engine oil. Stihl chainsaws and others run on a 50:1 mixture of gas and 2-cycle engine oil. Some older models use a 30:1 ratio. Check your chainsaw's manual to be sure.
How to stop a chainsaw from spilling fuel?
In order to reduce the risk of fuel spilling on your skin or inhaling fuel vapor, remove the chainsaw's fuel cap carefully to allow pressure buildup in the tank to release slowly. Make sure you're in a well-ventilated area.
How long can you store chainsaw fuel?
Fuel storage should never exceed three months. When using stored fuel, shake the mixture in the canister before fueling your chainsaw. If you still have fuel in a chainsaw that you plan to store for longer than a month, drain the fuel into a properly sealed container and add a fuel stabilizer.
Fuel mixture
Your petrol-powered engine requires a mixture of petrol and engine oil. The quality of the petrol and oil is extremely important to the running and life of the engine.
Mixing ratios
For a mixing ratio of 50:1 you need 5 litres of petrol and 0.10 litres of STIHL two-stroke oil.
Information about petrol
Always use high-quality petrol with a minimum octane number of 90 RON (we recommend using unleaded to protect your health and the environment).
Information about engine oil
Always use quality two-stroke engine oil complying with the TC classification. It is best to use STIHL two-stroke engine oil which is specially formulated for STIHL engines and helps to prolong engine life.
What is the correct fuel mix for chainsaw?
The correct ratio of 2 cycle oil mix for chainsaws varies from brand to brand and must be strictly adhered to as to avoid damaging the chainsaws 2-cycle engine. What is the correct fuel mixture for your chainsaw?
How much 2-cycle oil do you put in a gallon of gas for a chainsaw?
The correct amount of oil must be used to get the ratio of oil and gasoline correct in a 1-gallon fuel can. What is the correct amount of 2-cycle oil for 1 gallon of gasoline?
Wrapping Up
Chainsaw’s 2 cycle engines are made with very tight specifications and run at very high RPMs that require properly mixed and fresh fuel. Always make sure that your gasoline is properly mixed with the correct ratio of oil for your particular brand and model of chainsaw. Remember that the wrong mix can destroy your chainsaw.
