UPBEAT dirt bike 49cc. Pull Start engine,plastic/aluminium starter We professional produce children bike,welcome to ... : 45hmph2) Max. loading capacity: 100kg3) Max. range: 20km/full tank4) Engine: 49cc, 2 strokes, single cylinder, air-cooled5) Dirt bike max ... : 2kW / 7,000rpm6) Max. torque: 2.5N.m / 5,000rpm7) Start system: manual start8) Tank capacity: 1.5L9) Fuel / oil ratio ...