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