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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Wiseco

Wiseco Crankshaft Kit - WPC139 Yamaha YZ 450 2003-2005

MPN: WPC139 SKU: 0921-0112
Wiseco

Wiseco Crankshaft Kit - WPC139 Yamaha YZ 450 2003-2005

MPN: WPC139 SKU: 0921-0112
Availability:
Out of stock
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 Specs Type Bottom End Units Kit Product Name Crankshaft Kit Riding Style Off-Road Displacement 450 cc Material Steel Stroke Length 63.40 mm
Sold out
Original price $624.95 - Original price $624.95
Original price
$624.95
$624.95 - $624.95
Current price $624.95

Product Details

Features

  • 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

Specs

Type Bottom End
Units Kit
Product Name Crankshaft Kit
Riding Style Off-Road
Displacement 450 cc
Material Steel
Stroke Length 63.40 mm

Product Description

Features

  • 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

Specs

Type Bottom End
Units Kit
Product Name Crankshaft Kit
Riding Style Off-Road
Displacement 450 cc
Material Steel
Stroke Length 63.40 mm

Part Numbers
Store SKU MFR. Product # Availability
0921-0112 WPC139 Out of Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Features

  • 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

Specs

Type Bottom End
Units Kit
Product Name Crankshaft Kit
Riding Style Off-Road
Displacement 450 cc
Material Steel
Stroke Length 63.40 mm