Connecting rod kit for Yamaha WR 250 (1991–1997) and Yamaha YZ 250 (1990–1998) models. This high-quality replacement kit is built to provide exceptional performance and reliability, suitable for demanding riding conditions.

Features:

• Manufactured from hot-rolled ASTM 4115 material and case-hardened to 58-62 Rc for maximum durability.


• Advanced design includes strategically located side scalloping and vent slots to reduce high RPM bearing race distortion.


• Double-forged rods ensure improved grain flow and dimensional accuracy.


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


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


• Silver-coated thrust washers and crank pin bearings enhance lubricity.


• Complete kit includes connecting rod, crankpin, crankpin bearing, top-end bearing, and thrust washers.

Specifications:

• Centre to Centre: 125.00 mm


• Big End Bore Ø: 32.00 mm


• Big End Width: Not specified


• Pin Diameter: 25.00 mm


• Pin Length: 59.90 mm


• Small End Bore Ø: 23.00 mm


• Small End Width: Not specified


• Washer Thickness: 1.00 mm

Cross-Reference OEM Part Numbers:

YAMAHA: 5X5-11651-01-00, 5X5-11651-02-00, 5X5-11651-03-00

HOTRODS 8107

Vehicle Fitment:

• Yamaha WR 250 (1991–1997)


• Yamaha YZ 250 (1990–1998)

Part Number: 56-979.HR