we are Hongdou Motorcycle Co.,ltd. one of the biggest motorcycle manufacturer in China. We specialize in series of dirt bikes! 90PY-2 Specification 1. Specification: Model: 90PY (Chinese Name: Off road bike for children) Engine Model:HD1P50FMF( or 1E47FME) Dim.(LXWXH)( ㎜ ): 1540X680X915 Wheelbase( ㎜ ): 1045 Max. Load Capacity(kg):150 Fuel Type:RQ90 Dead Weight(kg):73 Max. Speed(km/h): ≥ 70 Displacement/Power(ml/kw):86/3.75 (L/100kw): ≦ 1.9 Brake Mode: Front Wheel: Drum(or Disc) Rear Wheel: Drum Brake Operation Mode: Front Wheel: Hand Brake Rear Wheel: Kick Brake Brake Distance: ≤ 7m ( 30km/h ) Wheel Rim Type: Spoke Tyre size:Front:2.50-14 Rear:3.0-12 1.Engine references: Engine type: One cylinder, air cool, 4 stroke, lay. Bore X Stroke:47.0mmX 49.5mm Cylinder working volume:86ml Compression Ratio:8.5:1 Max power and according rotation speed:3.75kw/8000r/min Max Torque and according rotation speed:5.7N.m/5500r/min Lowest Oil consumption: ≦ 367g /kw.h Starting type: Foot start. Ignition type :CDI Magneto type:Permanent magnetism Packing Size: Complete unit:1350X380X740 20FT :75 units 40FT , 40HQ:153units