... power:1.7kw 1.Power type :Singe Cylinder,Two-stroke,Air-cooling gasoline enger2.Displacement:45cc.3. ... method of chain saw:One, gasoline saws is two stroke power, use from power, transmission and tool ... use of the machine:In 1, the engine:A, qualified gasoline and oil, ensure its mixing ratio ( 25: 1 ... the spark plug, cylinder to join 1-2ml two stroke engine oil, pull starter 2-3, fitted with spark plug ...