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Wiseco Yamaha YZ 125 2001-2004 Crankshaft with Bearing and Gasket

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$387.01 $367.66
(You save $19.35)
STG SKU:
W|2457-WPC125|0

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Frequently Bought Together

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Features:

  • 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

Specifications:

  • Product Name: Crankshaft Assembly
  • Type: Bottom End
  • Material: Steel
  • Stroke Length: 54.50 mm
  • Features: Includes Bearing and Gasket
  • Units: Kit
  • Riding Style: Off-Road

Fitment:

YearMakeModel
2001YamahaYZ 125
2002YamahaYZ 125
2003YamahaYZ 125
2004YamahaYZ 125