400cc dirt bike , motorcycle with 4 valve liquid cooled, six speed gear and balance shaft engine 400CC DIRT BIKE ! !.s Product ... base(mm):1400 (Inch):55Ground clearance(mm):300 (Inch): 12Max.speed(Km/h):140 /120 (EEC) (Mile/H): 88 /75 (EEC ... /footEngine style:Single cylinder, water cooling,4-stroke,4-valve,six speed gear,balance shafter Rated displacement: 386.8ccMax.output power(Kw ...