High-quality Connecting Rod Kit designed for Yamaha YZ450F (2010–2019) and YZ450FX (2016–2020) models. This complete kit provides exceptional reliability and performance, making it an ideal choice for engine rebuilds.

Features:

• Includes rod, crank pin, crank pin bearing, top-end bearing, and thrust washers.


• Manufactured from hot-rolled ASTM 4115 steel and case-hardened to 58–62 Rc for superior durability.


• Strategically designed side scalloping and vent slots reduce high RPM bearing race distortion.


• Double-forged rods enhance grain flow and maintain dimensional accuracy.


• Shot-peened and double-honed for increased strength under heavy loads.


• Small ends feature double drilling for improved lubrication and cooling to the wrist pin bearing.


• Silver-coated thrust washers and crank pin bearings provide enhanced lubricity and longevity.

Technical Specifications:

• Big End Bearing (mm): 34 x 42 x 20.9


• Big End Bore (mm): 42.00


• Big End Width (mm): 20.98


• Center to Center (mm): 103.00


• Pin Diameter (mm): 34.00


• Pin Length (mm): 60.80


• Small End Bore (mm): 18.00


• Small End Width (mm): N/A

Cross-Reference OEM Part Numbers:

• Yamaha 33D-11651-00-00

Vehicle Fitments:

• Yamaha YZ450F (2010–2019)


• Yamaha YZ450FX (2016–2020)


• Yamaha YZ450F (2010, 2011, 2012, 2013)

Part Number: 56-857.HR