The Hot Rods Connecting Rod Kit (8641) is a high-quality replacement designed for Yamaha YFZ450 models. Engineered for durability and precision, it is ideal for high-performance applications and includes all necessary components for reliable installation. Advanced manufacturing ensures superior strength, lubrication, and longevity.

Features:

• Constructed from hot-rolled ASTM 4115 and case-hardened to 58-62 Rc for maximum strength and wear resistance.


• Strategically placed side scalloping and vent slots minimize distortion during high-rpm operation.


• Double-forged rods improve grain flow and dimensional consistency.


• Shot-peened and double-honed for enhanced durability under heavy loads.


• Small ends are double-drilled for superior lubrication and cooling of the wrist pin bearing.


• Thrust washers and crank pin bearings are silver-coated for added lubricity.


• Complete kit includes rod, crank pin, crank pin bearing, top end bearing, and thrust washers.

Technical Specifications:

• Big End Bore (mm): 42.00


• Big End Width (mm): N/A


• Center to Center (mm): 101.50


• Pin Diameter (mm): 34.00


• Pin Length (mm): 60.80


• Small End Bore (mm): 20.00


• Small End Width (mm): N/A

Cross-Reference OEM Part Numbers:

• 5D3-11651-00-00


• 5TG-11651-10-00

Vehicle Fitments:

• 2013 Yamaha YFZ450


• 2012 Yamaha YFZ450


• 2009 Yamaha YFZ450


• 2008 Yamaha YFZ450


• 2007 Yamaha YFZ450


• 2006 Yamaha YFZ450

Special Editions:

• 2007 Yamaha YFZ450BB Bill Ballance Edition


• 2006 Yamaha YFZ450BB Bill Ballance Edition


• 2007 Yamaha YFZ450SE Special Edition


• 2007 Yamaha YFZ450SE2 Special Edition 2


• 2006 Yamaha YFZ450SP 50th Anniversary Edition


• 2008 Yamaha YFZ450SP Special Edition


• 2008 Yamaha YFZ450SP2 Special Edition 2

Part Number: 8641