... EngineMain Feature: Small volume, light weight, ample and stable power output, low fuel consumption, reliable performance, easy operation, simple maintenance ... rivers and lakes as well by equipping with tractors, power tiller, triclycles, water pump irrigation pumps, small generators ... mm*mm)90×90Displacement (L)0.572Compression ratio21:1Rated power(kw)7.35Rated Rotating Speed(r/min)2600Specific fuel ...