125cc Race Engine 
Max Power : 8.0 kW/9500rpm
Max Torque : 9.5 N.m/8500rpm 
Compression Ratio : 11.5:1 
Bore x Stroke : 54mm x 54.5mm 


  • Oil Cooling 
  • Low Inertia Magneto for rapida acceleration 
  • Special Racer Technology -Optimized crankshaft, Piston, Valves, and camshaft 
  • Lightweight T-Shape Piston 
  • Spray Hole under piston to better cool and lubricate 

W125 Race