... /3600rpm,Single cylinder 3)211cc displacemenet Small 4 stroke diesel engine 4 stroke diesel engineusage:generating,water pump,boat,etcspecifications:4 ... ,7,10,12hp available100% copper wire,CE,ISO9001air cooled,4-strokecrankshaft or camshafthand ... /30 YM170F hand start 4hp power small 4 stroke diesel engine