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Wiseco Crankshaft Kit

(1 review)

Item: 384233

$241.17 – $801.89

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Description Fitment Reviews Q&A

Wiseco Crankshaft 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
  • 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
  • Wiseco complete gasket kits are made from premium materials for maximum sealing and reliability; all bearings are OEM-quality for reliability and performance
Specification Details
Country of Origin USA
Stroke Varies (make selection above)

Vehicle Fitment

Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Honda
  • CR125R 1990-2004
  • CR250R 2-Stroke 1992-2004
  • CR80R 1986-2002
  • CR85R 2003-2006
  • CRF150R 2007-2009, 2013-2020
  • CRF450R 2002-2007
  • TRX400EX FourTrax 400EX 1999
  • TRX400EX Sportrax 400EX 2000-2008
  • TRX400X Sportrax 400X 2009-2014
Husqvarna
  • TC 125 2014-2015
  • TE 125 2014-2015
KTM
  • 125 EXC 2015
  • 125 SX 1998-2016
Kawasaki
  • KX100 1995-2005
  • KX250 2-Stroke 1992-2004
  • KX250F 4-Stroke 2004-2008
  • KX60 1985-1988, 1990-2003
  • KX65 2000-2005
  • KX80 1991-2000
  • KX80 Big Wheel 1991-1994
  • KX85 2001-2005
Polaris
  • RZR 800 2008-2014
  • Ranger 800 6x6 2011-2016
Suzuki
  • RM-Z250 2004-2007
  • RM-Z450 2005-2007
  • RM100 2003
  • RM125 2001-2008
  • RM60 2003
  • RM65 2003-2005
Yamaha
  • Blaster 2x4 1988-2006
  • Grizzly 660 4x4 2002-2008
  • Raptor 350 2005-2013
  • Raptor 660R 2001-2005
  • Rhino 660 4x4 2005-2007
  • WR250F 2003-2013
  • Warrior 350 1987-2004
  • YFZ350 Banshee 1987-2006
  • YZ125 1998-2000
  • YZ250 2-Stroke 1999-2021
  • YZ250F 4-Stroke 2003-2011
  • YZ250X 2-Stroke 2016-2020
  • YZ450F 2003-2009
  • YZ80 1993-2001
  • YZ85 2002-2018

Customer Reviews

Wiseco bottom end kit

By   on  Verified Purchaser

Great kit, I installed this on my son's Yz 125. Comes with everything you need to complete the job, other than yamabond 4 sealant. Comes with bearings, seals, and all gaskets for the bottom end of the engine.

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