CONNECTING ROD 03-13 YZ250F, HOT RODS 8619 YAMAHA YZF250

Hot Rods Heavy-Duty Connecting Rod Kit 8619. Kits include a connecting rod, crank pin, crank pin bearing, top-end bearing, and thrust washers. Crafted from hot-rolled ASTM 4115 material and case-hardened to 58-62 Rc for durability. Advanced design incorporates side scalloping and vent slots to minimize high-rpm bearing race distortion. Rods are double-forged for improved grain flow and dimensional consistency, shot-peened, and double-honed for enhanced strength under heavy loads. Small ends are double-drilled to ensure optimal lubrication and cooling to the wrist pin bearing. Thrust washers and crank pin bearings are silver-coated for additional lubricity. Features: Complete kit with all necessary components for replacement. Constructed from hot-rolled ASTM 4115 material and case-hardened to 58-62 Rc. Strategically designed with side scalloping and vent slots to reduce high-rpm bearing distortion. Double-forged for improved grain flow and consistent dimensions. Shot-peened and double-honed for superior strength under heavy loads. Small ends are double-drilled for enhanced lubrication and cooling. Silver-coated thrust washers and crank pin bearings for added lubricity. Technical Specifications: Big End Bearing (mm): 32x40x18, Big End Bore (mm): 40.00, Big End Width (mm): 18.00, Center to Center (mm): 93.50, Pin Diameter (mm): 32.00, Pin Length (mm): 54.80, Small End Bearing (mm): Bushing, Small End Bore (mm): 16.00. Cross-Reference OEM Part Numbers: YAMAHA: 5UL-11651-00-00, YAMAHA: 5XC-11651-00-00. Part Number: 56-910.HR.