... and abroad,our company has individually developed general gasoline engines with 4 –stroke single cylinders,OHV and force ... machine,agriculture machinery,etc.The vital part bodies including cylinder cover,crankcase,etc, are all cast formed with ... aluminum alloy Model139FType4-stroke,over head valve,1 cylinderDisplacement31CBMBore*stroke39*26mmMax.output0.7KW/6500r/minFuel consumption480g/ ...