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

Product parameters

ENGINE Engine Type ZS CB 250CC , E & kick start,4-stroke, 2valves
Bore X Stroke(mm) 69*62.2mm
Expression Rate 8.3:1-8.9:1
Max Power 12KW/7000rpm
Max Torque 17N.m/6000rpm
Transmission 5 speed
Ignition CDI
Carburetor PE28
Chain/Sprocket 520-13/520-43
CHASSIS Fuel Capacity 6.3L
Handle Bar steel, fat type, Ф28.5
Triple Clamp Forged alloy, 6061
Frame embracing high strengthened steel pipe and cast steel
Swing Arm formed steel pipe, knife shape, 18 inches
Suspension Front fork :51/54-810mm
Rear shock: 450mm
Disc Brake Disc brake,disc size: 220/220mm
Wheel Alloy rim, front: 1.60-21/rear: 2.15-18
Tire Tire size: front: 80/100-21/rear: 100/90-18
DIMENSIONS Max Loading 90kg
Seat Height 890mm
Wheel Base 1330mm
Clearance 320mm
Dimession 2000*790*1220mm
Net Weight 103±1KG
Package Size 1740*500*880mm
Gross Weight 118±2KG

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