What Is a Four Mix

As the 4-MIX™ engine makes use of the gasoline-oil mixture for lubrication, it combines the benefits of two-stroke and four-stroke engines. Familiar fuel mixture ratio (50:1) Operates in all positions. Cleaner – reduced emissions. More power – high torque.

How do you mix STIHL 4-mix?

Using the right type of fuel is critical in the safe and efficient operation of your STIHL equipment. All STIHL gasoline-powered equipment runs on a 50:1 mixture of gasoline and 2-cycle engine oil.

Does anyone make a 4 cycle chainsaw?

Four-cycle (or four-stroke) chainsaws do exist, though they’re usually large commercial models for loggers. You never put oil in the gas of a four-cycle machine.