CONNECTING ROD 90-98 YZ250, HOT ROD 8107 YAMAHA WR250, 5X5-11651-01-00, 5X5-11651-02-00, 5X5-11651-03-00
Connecting rod kit for Yamaha WR 250 and Yamaha YZ 250 models. 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. Centre to Centre: 125.00 mm. Big End Bore: 32.00 mm. Pin Diameter: 25.00 mm. Pin Length: 59.90 mm. Small End Bore: 23.00 mm. 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. Part Number: 56-979.HR.
- SKU
- 56-979.HR
- Brand
- Hot Rods
- Availability
- In Stock (2)
FULL DESCRIPTION
Hot Rods Connecting Rod Kit
This high-performance connecting rod kit is designed for demanding motorcycle applications, offering exceptional strength and reliability. Engineered with advanced materials and manufacturing techniques, it's built to withstand the rigors of competitive riding.
Key Features:
- Constructed from hot-rolled ASTM 4115 material for superior strength.
- Case-hardened to a hardness of 58-62 Rc for enhanced durability and wear resistance.
- Advanced design includes strategically placed side scalloping and vent slots to minimize high RPM bearing race distortion.
- Double-forged rods promote improved grain flow and ensure precise dimensional accuracy.
- Shot-peened and double-honed processes contribute to increased strength under significant loads.
- Small ends are double-drilled to provide enhanced lubrication and cooling for the wrist pin bearing.
- Features silver-coated thrust washers and crank pin bearings to improve lubricity.
- This comprehensive kit includes a connecting rod, crankpin, crankpin bearing, top-end bearing, and thrust washers.
Specifications:
- Center to Center Length: 125.00 mm
- Big End Bore Diameter: 32.00 mm
- Crankpin Diameter: 25.00 mm
- Crankpin Length: 59.90 mm
- Small End Bore Diameter: 23.00 mm
- Washer Thickness: 1.00 mm
Replacement for OEM Part Numbers:
- 5X5-11651-01-00
- 5X5-11651-02-00
- 5X5-11651-03-00
