What kind of gas do you use in a Stihl chainsaw?

The gas-oil mix for a Stihl chain saw is 50 to1. That's equal to 2.5 fluid ounces of low ash two-cycle engine oil per 1 gallon of mid-grade gasoline having an 89 octane rating and no more than 10 percent ethanol.

Click to read full detail here. In this regard, what kind of gas does a chainsaw use?

A: Our units run on 87 octane regular unleaded gasoline. You can use gasoline which is blended with a maximum 10% alcohol. Never use E85 or diesel fuels. Remember to use fresh gasoline and to mix it with the recommended 2-cycle oil.

Also, what happens if you put regular gas in a chainsaw? If you've put straight gas in the fuel tank, don't start the engine. If straight gas is used, it can damage and ruin the piston and crankcase within a minute, as the gas doesn't take long to burn out these sensitive parts. Drain the tank immediately into a separate fuel container.

Regarding this, what is a 50 to 1 mixture?

You want to mix 2.6 ounces of oil to one gallon of gasoline for a 50:1 mixture. If you're mixing up two gallons of gasoline you will have to mix 5.2 ounces of oil to two gallons of gasoline for a 50:1 mixture.

Should you use premium gas in 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. We also don't recommend the use of high octane aviation grade fuel.