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M250 is a profesional competition bike of BOSUER M series dirt bike. The equipped with NC250, water cooled, with internal balance shaft. Engine power is 23kw at 8500rpm, 4 valves.




NC250CC , 4-valve, 4-stroke, water cooled, E & kick start

product Descriptions

M250 frame is made of alluminume. 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 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: ZS NC250 4-valve engine, 4-stroke, internal balance shaft, 6-speed, electric and kick 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

ENGINEEngine Type:NC250CC , 4-valve, 4-stroke, water cooled, E & kick start
Bore X Stroke:77*53.6mm
Compression Rate:11.6:1
Max Power:19kW/9000rpm
Max Torque:23N.m/7000rpm
Valve System:6-speed
gear Ratio520-13/520-52
CHASSISSwing ArmAlloy, fat type, Ф28.5
Triple ClampForged alloy, 6061
SuspensionEmbracing high strengthened formed alloy
Formed alloy
SuspensionFront fork :54/60-930mm, damping adjustments
Rear shock: 480mm , out air box, damping adjustments
Brake SystemDisc brake, disc size: front: 240mm, rear:240mm
WheelAlloy rim, rim size: front: 1.60-21/rear: 2.15-18
TireTire size: front: 80/100-21   rear:100/90-18
DIMENSIONSMax Loading90kg
Fuel Capacity6.5L
Seat Height940mm
Wheel Base1450mm
Net Weight116±1KG
Package Size1860*580*1080mm
Package Weight136±2KG

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