... 7.0HP recoil start gasoline engine 2.electric start low noisy 3.Air Cooled,4 Stroke,OHV Gasoline,Single Cylinder 7.0HP recoil start gasoline ... engineRecoil startAir Cooled,4 Stroke,OHV Gasoline,Single Cylinder ... POWERModel NumberZT170FEngine TypeAir Cooled,4 Stroke,OHV Gasoline,Single CylinderDisplacement (CC)206ccEngine Speed (RPM) ...