Chainsaw Fuel - What Kind Of Fuel Should I Use In My STIHL Chainsaw?

April 30, 2023 Post a Comment

Chainsaw fuel

STIHL recommends the use of STIHL MotoMix® premixed fuel which is pre-mixed with STIHL HP Ultra synthetic oil. STIHL MotoMix® contains no ethanol and has a storage life of up to two years.

What fuel does a 2-stroke chainsaw use?

Husqvarna two-stroke engines are designed to run on clean, fresh, unleaded petrol. As a general guide to oil-to-fuel ratio, 50:1 is recommended in Husqvarna products up to and including 75 cc. In heavy use applications, which include models above 75 cc, these engines may be run on a mix of 33:1.

What is 50 to 1 fuel mix in Litres?

For example to mix 50:1 you use 50 parts fuel to 1 part oil, which equals one litre of fuel to 20 millilitres of oil or 1 gallon of fuel to 2.56 fluid ounces of oil.

What oil is used in STIHL chainsaw?

Only from STIHL - This patented 50:1 fuel mixture combines non-ethanol, high-octane fuel and premium STIHL HP Ultra Oil. This fully synthetic 2-cycle engine oil is specially suited for high performance chainsaws and power tools.

What fuel does a STIHL saw use?

For a mixing ratio of 1 : 50 you need 5 litres of petrol and 0.10 litres (100cm³) of STIHL two-stroke oil.

Can I use any 2-stroke oil in my chainsaw?

No, you can't use any 2-stroke oil in your chainsaw. Some 2-stroke oils are built for motor oils, and this might damage your chainsaw. Also, 2-stroke oils for an air-cooled engine are different from a water-cooled engine.

Does a chainsaw take regular gas?

Chainsaws use regular gas but are always mixed with suitable engine oil. Most gas chainsaws use a two-stroke engine that requires a mixture of gasoline and engine oil.

How much 2 stroke oil do you mix with petrol for a chainsaw?

It's simply 40 parts of fresh, unleaded fuel with 1 part of semi-synthetic 2 stroke oil.

Should I run my chainsaw dry?

Never run your chainsaw dry, instead use a quality gas stabilizer. A stabilizer will keep fuel fresh and protect a chainsaw fuel system from damage caused by stale gas.

Are STIHL chainsaws 2-stroke?

FUEL MIXTURE 2-stroke engines such as STIHL petrol Chainsaws run off a mix of petrol and engine oil. STIHL Chainsaws use a mixing ratio of 1 part oil to 50 parts petrol, which is 20 mls of oil per litre of petrol.

Is premixed fuel better?

Pre-Mixed Fuel Burns Cleaner. Premium fuel is not only better for your equipment—it's better for the environment, too. High-octane gas and high-quality, synthetic oil are odor-free and burn cleanly, so you can operate your two-stroke equipment worry-free.

Can you use 4 stroke oil in a chainsaw?

Gaskets, fuel lines and the fuel tank itself could be damaged if the incorrect oil is used. It should now be clear that you should only ever use 2-cycle engine oil with your chainsaw*. Anything else will probably wreck it so, no you cannot put ordinary car oil in it!

How many 2 strokes is 10 Litres?

Petrol quantity	STIHL two-stroke oil 1:50
Litres	Litres	cm³
5	0.10	(100)
10	0.20	(200)
15	0.30	(300)

Does STIHL chainsaw take mixed gas?

To get the most out of your show tool we recommend a two-stroke mix ratio a 50 parts unleaded fuel

How long does 2-stroke oil last once opened?

Yes, 2 cycle oil can go bad. If sealed, two-stroke oil usually good for up to 5 years. If opened, the shelf life is reduced to 2 years. Once mixed with gas the fuel should be used within two months.

Can you use unleaded petrol in a two-stroke engine?

Four stroke petrol is straight unleaded petrol (known in the USA as Gas) will rapidly reduce the lifespan of your 2 stroke engine — and by a considerable amount. This is the wrong fuel for a 2 stroke motor, as it doesn't provide the quality of lubrication that you need.

How long will 2-stroke fuel last?

Opinions on how long a container of pre-mixed 2 stroke fuel will last for varies significantly, some say it is only good for 3 – 4 weeks and others up to 2 – 3 months. In my experience it depends on the motor, but all motors will perform best with a full tank of freshly mixed fuel. “Fresh is best!”

How long can you leave fuel in a chainsaw?

With todays crappy gas, I wouldn't let it sit more than a month or two. If you put an additive in it (like startron) it will last longer. Most saw manufacturers & technicians don't recommend stabil however.

What happens if you put too much 2-stroke oil?

If you put too much oil, it can generate additional carbon build-up, making it difficult to start the engine, blow excessive smoke which is particularly bad for the environment and may (with time) cause the engine to stop operating correctly.