TRAIL DIRTBIKE J3D 250

J3D 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.

  • 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.
  • 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.

 

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″
Suspension: 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

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Product parameters 

Product parameters 

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