J4 is a full size bike of BOSUER series dirt bike. The bike designed as a dural bike. The bike equipped with ZS CB 230 engine, air cooled, 4-stroke, both kick & E start. The engine power is 12kw, it is easy control and stable engine.

  • The engine is fixed with BOSUER featured engine cover engraved with MOJO logo as BOSUER upgrad parts.
  • J4 chassis is made of steel, formed parts and high strengthened steel pipe connect together orgnize the structure.
  • For being a dural bike, J4 equipped with additional 6.5L fuel tank for distant travel, the fuel pumped from rear to main tank.
  • The bike also fixed with passenger’s foot rest and baggage bracket upon tail fender.


Engine: CB250 2-valve engine, 4-stroke, 5-speed, electric and kick start
Frame: Steel full size dirt bike frame with linkage, steel swing arm
Wheel: Front 21″, rear 18″
Suspension: adjustable
Brake system: Mojo brake, 2 pistons of front brake, 1 pistion rear
Muffler & exhaust pipe: stainless steel exhaust pipe, alloy muffler body and nilon end


Please enable JavaScript in your browser to complete this form.

Recommended for you