CONNECTING ROD 99-21 YZ250, HOTRODS 8726 YAMAHA MX
High-quality connecting rod kit manufactured from hot-rolled ASTM 4115 steel and case-hardened to 58–62 Rc for superior strength. Advanced design incorporates side scalloping and vent slots to reduce high RPM bearing race distortion. Double-forged rods ensure improved grain flow and dimensional consistency. Shot-peened and double-honed for enhanced strength under heavy loads. Double-drilled small ends improve lubrication and cooling for the wrist pin bearing. Silver-coated thrust washers and crank pin bearings for enhanced lubricity and reduced friction. Includes rod, crank pin, crank pin bearing, top end bearing, and thrust washers for a complete rebuild solution. Specifications: Big End Bore: 31.00mm, Center to Center: 125.00mm, Pin Diameter: 24.00mm, Pin Length: 58.70mm, Small End Bore: 22.00mm, Washer Thickness: 0.85mm. Cross-Reference OEM Part Numbers: Yamaha: 5CU-11651-00-00, 5MW-11651-00-00; Athena: P40321019; Psychic: MX-09083; ProX: 03.2309; Wossner: P2028; Hot Rods: 8156, 8726. Part Number: 56-163.HR. Manufacturer: Hot Rods.
- SKU
- 56-163.HR
- Brand
- Hot Rods
- Availability
- In Stock (2)
FULL DESCRIPTION
Hot Rods Connecting Rod for Yamaha YZ250
This high-quality connecting rod kit is precision-engineered for durability and performance, designed to meet the demanding requirements of Fantic and Yamaha off-road motorcycles. Manufactured to OEM specifications, this kit ensures reliability and straightforward installation for a complete engine rebuild.
Key Features:
- Constructed from hot-rolled ASTM 4115 steel and case-hardened to 58–62 Rc for exceptional strength.
- Features an advanced design with side scalloping and vent slots to minimize high RPM bearing race distortion.
- Double-forged rods promote improved grain flow and consistent dimensions.
- Shot-peened and double-honed for enhanced resilience under heavy load conditions.
- Double-drilled small ends provide superior lubrication and cooling for the wrist pin bearing.
- Includes silver-coated thrust washers and crank pin bearings for increased lubricity and reduced friction.
- This comprehensive kit contains the rod, crank pin, crank pin bearing, top end bearing, and thrust washers.
Specifications:
- Big End Bore: 31.00 mm
- Center to Center: 125.00 mm
- Pin Diameter: 24.00 mm
- Pin Length: 58.70 mm
- Small End Bore: 22.00 mm
- Washer Thickness: 0.85 mm
