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Wiseco Bottom End Kit - WPC163 - 2005-2020 Yamaha YZ125

Regular price $313.35 USD
Regular price $387.01 USD Sale price $313.35 USD
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Yamaha YZ125 05-20 Wiseco Bottom End Kit - WPC163

Moto-House MX Ships this kit for Free!!

Having nearly eight decades of experience behind it, Wiseco is renowned globally as the premier producer of top-notch replacement pistons and crankshafts for any motor sport. With their deep knowledge and know-how, Wiseco has the products you need to get your 4- or 2-stroke motor running at optimal performance.

Complete bottom end gasket sets, containing all seals necessary for assembly, are provided with all Wiseco crankshafts, along with high-grade main bearings.

Yamaha YZ125 2005-2020 Wiseco Bottom End Kit :

  • 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
  • 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
  • Wiseco complete gasket kits are made from premium materials for maximum sealing and reliability; all bearings are OEM-Quality for reliability and performance

Fitment: Yamaha YZ125 2005-2020 Wiseco Bottom End Kit / Part Number WPC163

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