Connecting Rod 97-00 YZ125, Hot Rods 8143 Yamaha CR174

High-quality connecting rod kit designed for Yamaha YZ125 models, providing superior durability and precision engineering to meet the demands of high-performance applications.

Features:

• Manufactured from hot-rolled ASTM 4115 steel and case-hardened to 58–62 Rc for maximum strength.
• Advanced design with strategically placed side scalloping and vent slots to minimize high RPM bearing race distortion.
• Double-forged rods improve grain flow and dimensional consistency.
• Shot-peened and double-honed for enhanced strength under heavy loads.
• Double-drilled small ends provide increased lubrication and cooling to the wrist pin bearing.
• Silver-coated thrust washers and crank pin bearings for improved lubricity and reduced friction.
• Complete kit includes rod, crank pin, crank pin bearing, top end bearing, and thrust washers for a comprehensive rebuild solution.

Specifications (mm):

• Big End Bearing: 22x29x16.8
• Big End Bore: 29.00
• Big End Width: 16.95
• Center to Center: 105.00
• Pin Diameter: 22.00
• Pin Length: 54.30
• Small End Bearing: 15x20x17.8
• Small End Bore: 20.00
• Small End Width: 16.95

Cross-Reference OEM Part Numbers:

• CR174
• Hot Rods: CR174 8143
• Yamaha: 4PE-11651-02-00
• Wossner: P2019
• Wiseco: WPR174
• Psychic: MX-09078

Vehicle Fitment:

Yamaha:

• YZ125 (1997–2000)

Part Number: 56-153.HR