CONNECTING ROD KIT YFM660R 01, HOTRODS 8613 PIN 37 x 73.80, ONLY FITS 2001

Hot Rods Connecting Rod Kit for Yamaha YFM660R Raptor (2001)

This heavy-duty connecting rod kit from Hot Rods is engineered as a direct OE replacement for the Yamaha YFM660R Raptor, specifically for the 2001 model year. Crafted from certified 8620 AISI steel, it offers enhanced strength and reliability for demanding applications. The kit is designed for seamless integration with both original equipment manufacturer (OEM) and Hot Rods crankshafts, ensuring a robust upgrade for your motorcycle's engine.

Key Features:

• Superior Material Strength: Constructed from certified 8620 AISI steel for exceptional durability and resistance to wear.
• Enhanced Bearing Performance: Features side scalloping and vent slots on the big end to minimize distortion of the bearing race at high engine speeds.
• Durable Crankpins: Made from hot-rolled ASTM 4115 steel, these crankpins are case-hardened to a hardness of 58-62 Rc for extended service life.
• High-RPM Longevity: Utilizes a caged needle roller bearing design, optimized for consistent performance and longevity under high RPM conditions.
• Improved Lubricity: Equipped with bronze phosphor thrust washers featuring a silver coating to enhance lubrication and reduce friction.
• Complete Assembly: This comprehensive kit includes the connecting rod, crankpin, crankpin bearing, top-end bearing, and necessary thrust washers for a full replacement.
• Broad Compatibility: Fully compatible with both Hot Rods and original equipment manufacturer (OEM) crankshafts.
• Premium Manufacturing: Proudly made in the U.S.A.

Technical Specifications:

• Big End Bearing Dimensions: 37mm x 45mm x 22mm
• Big End Crank Pin Dimensions: 37mm diameter x 73.80mm length
• Big End Bore Diameter: 45.00mm
• Big End Width: 21.97mm
• Center to Center Length: 136.50mm
• Small End Bore Diameter: 22.00mm
• Small End Width: 21.97mm

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