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DURAL DIRTBIKE JW3D 250
JW3D 250 is a middle size bike of BOSUER dirt bike series. It is equipped with CB250 engine, air cooled, 4-stroke. The engine power is 12kw at 7500rpm. The bike is designed for dural popures.

Displacement

250CC

Engine

ZS CB 250CC , E & kick start,4-stroke, 2valves

product Descriptions
1

Chassis is one of BOSUER middle size steel frame with linkage, died cast steel parts and strengthened steel pipe structured together making the whole bike  solid enough for dural popurse.

Plastics are designed by BOSUER exclusively, optional color are white, black and red.Triple clamp, rim and hub are in alloy material to reduce weight of whole bike maximally.The suspenssion are non-adjustable both front and rear.Brake sysytem are deisgned and modified by BOSUER exclusively .

2

Features

Engine: ZS CB250 engine, 4-stroke, electric and kick start

Frame: middle size dirt bike frame with linkage, steel swing arm

Wheel: front 21", rear 18"

Suspenssion: non-adjustable

Brake system: BOSUER 2 pistons front brake and 1 pistion rear brake

Muffler & exhaust pipe: stainless steel exhaust pipe, muffler body and end are alloy

Specification
ENGINEEngine TypeZS CB 250CC , E & kick start,4-stroke, 2valves
Bore X Stroke(mm)69*62.2mm
Expression Rate8.3:1-8.9:1
Max Power12KW/7000rpm
Max Torque17N.m/6000rpm
Transmission5 speed
IgnitionCDI
CarburetorPE28
Chain/Sprocket520-13/520-43
CHASSISFuel Capacity6.3L
Handle Barsteel, fat type, Ф28.5
Triple ClampForged alloy, 6061
Frameembracing high strengthened steel pipe and cast steel
Swing Armformed steel pipe, knife shape, 18 inches
SuspensionFront fork :51/54-810mm
Rear shock: 450mm
Disc BrakeDisc brake,disc size: 220/220mm
WheelAlloy rim, front: 1.60-21/rear: 2.15-18
TireTire size: front: 80/100-21/rear: 100/90-18
DIMENSIONSMax Loading90kg
Seat Height890mm
Wheel Base1330mm
Clearance320mm
Dimession2000*790*1220mm
Net Weight103±1KG
Package Size1740*500*880mm
Gross Weight118±2KG


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