COMPETITION DIRTBIKE M250F

M250F is a professional competition bike of BOSUER M series dirt bike. The equipped with CB250, 4-valve, air cooled, with internal balance shaft. Engine power is 18.5kw at 7500rpm.

  • M250F frame is made of aluminum. Forged alloy parts with strengthened formed alloy pipe connect together make the structure of the frame. With T4 & T6 treatment, the frame is not only less weight but also solid enough for competition.
  • Other parts, such as swing arm, rim, hub are all made of alluminume to reduce weight of the whole bike.
  • Brake system are designed by BOSUER exclusively, new shape discs, double piston, MOJO brand as upgrade parts BOSUER.
  • 21″ front Rim and 18″ rear rim are 7 series alloy, hollowed CNC alloy hub.

 

Engine: CB250 4-valve engine, 4-stroke, internal balance shaft, 6-speed, electric start
Frame: steel full size dirt bike frame with linkage, alloy swing arm
Wheel: front 21″, rear 18″
Suspension: adjustable
Brake system: Mojo brake, 2 pistons of front brake, 1 pistion rear
Muffler: stainless steel with power bomb

Product parameters

ENGINE Engine Type MOJO 250cc, 4-Valve, single cylinder, air cooled, E & Kick start
Bore X Stroke(mm) 72*61.4mm
Expression Rate 9.25:1
Max Power 18.5KW/7500rpm
Max Torque 20N.m/6500rpm
Transmission 6-speed
Ignition CDI
Carburetor PWK34
Chain/Sprocket 520-13/520-49
CHASSIS Swing Arm Alloy, fat type, Ф28.5
Triple Clamp Forged alloy, 6061
Suspension Embracing high strengthened formed alloy
Formed alloy
Suspension Front fork :54/60-930mm, damping adjustments
Rear shock: 480mm , out air box, damping adjustments
Brake System Disc brake, disc size: front: 240mm, rear:240mm
Wheel Alloy rim, rim size: front: 1.60-21/rear: 2.15-18
Tire Tire size: front: 80/100-21   rear:100/90-18
Max Loading 90kg
DIMENSIONS Fuel Capacity 6.5L
Seat Height 930mm
Wheel Base 1440mm
Clearance 280mm
Dimension 2120*820*1220mm
Net Weight 113±1KG
Package Size 1860*580*1080mm
Package Weight 136±1KG

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