Crankshaft Kit Yamaha YFM 660 R Raptor 2001-2005 (AMERICA) / Yamaha YFM 660 R LE Raptor Limited Edition 2003-2004 (AMERICA) / Yamaha YFM 660 R SE Raptor Special Edition 2005 (AMERICA)

Crankshaft Kit Crankshafts are factory assembled and precision trued to OEM specifications Double-forged Wiseco connecting rods maintain superior dimensional consistency through improved grain flow Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces Corrosion-resistant surface treatment Crank pin bearing radial running clearance is optimized to ensure maximum performance Precision honing ensures ultra round bearing surface Precision engineered oiling slots maximize rod strength and bearing life Double-drilled small ends provide the piston pin with extra lubrication and cooling, reducing distortion of top end due to thermal transfer from the piston Kit includes crankshaft assembly, main bearings, and bottom-end gasket kit Kit Includes: • Crankshaft Assembly • Bottom End Gasket #WB1035 • Main Bearing #B5016

Supplier reference: 09210144
Manufacturer reference: WWPC133

UK standard delivery: 6–10 working days. In-stock parts dispatch within 2–3 working days.

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