M5 is a full size bike of BOSUER dirt bike series. It is equipped with CB230 engine, air cooled, 4-stroke, both kick and electric start. The engine power is 12kw at 7500rpm. The bike is designed for dural popures.

  • Chassis is one of BOSUER full size steel frame with linkage, formed steel parts and strengthened steel pipe structured together making the whole bike solid enough not only for dural popurse but also for competition.
  • Triple clamp, linkage are in alloy material to reduce weight of whole bike maximally.
  • The suspenssion are non-adjustable both front and rear.Brake sysytem are deisgned by BOSUER exclusively with MOJO logo on brake caliper as upgrade parts of the bike.


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


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