Detailed Product Description Displacement: 41ccFuel: gasoline 25: two cycle oil1Fuel tank volume:180mlCarburettor: pump-film typePower: 1.3kw/8500rpmMax engine speed with cutting attachement: 10000rpmMax engine speed at idling: 2800rpmĀ±100oil feeding system: automactic pump with adjustersaw chain pitch:3"/8"max cutting length:37cm