The CN513M connecting rod kit is for the famous Yamaha YZ250 engine. We apply nickel-contained chromoly steel, a higher strength material, for our con-rods. The rod can bear higher loading and higher RPM environment.
Application:
Yamaha 1999-2020 YZ 250
Big-end Width (mm): 17
Small-end Width (mm): 19.9
Big-end Bore (mm): 31
Small-end Bore (mm): 22
Center-to-center (mm): 125
Pin Diameter (mm): 24
Pin Length (mm): 58.7
Big-end Bearing (mm): 24*31*17
Small-end Bearing (mm): 18*22*22
Washer Thickness (mm): 0.8