MR300S is a profesional competition bike of BOSUER M series dirt bike. The equipped with 300cc, double camsahft, water cooled, with internal balance shaft. Engine power is 23kw at 8500rpm, 4 valves.

  • MR300S frame is made of alluminume. Forged alloy parts with strengthened formed alloy pipe connect together make the structure of the frame. With T4 & T6 treatment, the frame is not only less weight but also solid enough for competition.
  • Other parts, such as rim, hub are all made of alluminume to reduce weight of the whole bike.
  • Brake system are designed by BOSUER exclusively, new shape discs, double piston, MOJO brand as upgrade parts BOSUER.
  • 21″ front Rim and 18″ rear rim are 7 series alloy, hollowed CNC alloy hub.


Engine: ZS NC300S 4-valve engine, double camshaft, 4-stroke, internal balance shaft, 6-speed, electric and kick start
Frame: steel full size dirt bike frame with linkage, alloy swing arm
Wheel: front 21″, rear 18″
Suspension: adjustable
Brake system: Mojo brake, 2 pistons of front brake, 1 pistion rear
Muffler: stainless steel with power bomb


Please enable JavaScript in your browser to complete this form.

Recommended for you