gas pole saws, chain saws, and leaf blowers are common tools that run off a 2-stroke engine. All two-stroke (or 2-cycle) engines require the operator to add a mixture of fuel and oil to the fuel ...

If your chainsaw has a two-cycle engine and you've properly mixed the gas and oil, checking your oil is as simple as verifying you have plenty of the gas mixture in the tank. "Some chainsaws have ...

A two-stroke engine is fueled by a mixture of gas and oil and has no camshaft or valves. It fires every time the piston reaches the top. A four-stroke engine uses four separate strokes—two up ...