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Wiseco

Wiseco Crankshaft Kit - Yamaha Yfm660R Raptor Wpc133

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SKU:
0921-0144
MPN:
WPC133
Condition:
New
MSRP: $610.71
$531.05
— You save $79.66
Frequently bought together:

Description

CRANKSHAFT RAPTOR 660
  • CRANKSHAFT KITS
  • Include crankshaft, top end bearing, premium main bearings and a complete bottom-end gasket set that includes all seals and gaskets needed to do the job
  • Only one part number to stock and order
  • 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
  • Top and bottom end rod bores case-hardened to 58-62 RC to optimize bearing running surface
  • 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
  • Silver-coated bronze phosphor thrust washers, with dimpled design to increase oil retention and reduce friction between rod and washer interface
  • Crank pin bearings are manufactured from the highest quality hot-rolled steel; case-hardened to 58-62 RC
  • Caged needle roller bearings provide the highest possible rpm
  • Precision machined crank webs
Yamaha -- Raptor 660R 4x2 -- (2001, 2005, 2002, 2003, 2004)
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