The CN503M connecting rod kit is for the famous Yamaha YZ450F 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 2006-2009 YZ 450F
Yamaha 2007-2011 WR 450F
Big-end Width (mm): 20
Small-end Width (mm): 18
Big-end Bore (mm): 42
Small-end Bore (mm): 18
Center-to-center (mm): 103.5
Pin Diameter (mm): 34
Pin Length (mm): 60.8
Big-end Bearing (mm): 34*42*20
Small-end Bearing (mm): Bush
Washer Thickness (mm): N/A