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Wiseco Complete Bottom End Kit Yamaha YZ250

The Wiseco Complete Crankshaft Kit is engineered to deliver exceptional durability and performance for your motorcycle's bottom end. Manufactured with meticulous attention to detail, this crankshaft assembly is precision-trued to OEM specifications, ensuring reliable operation under demanding conditions.

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

Note: Images are for reference only.

Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Wiseco Complete Bottom End Kit Yamaha YZ250 1999-2000 RevZilla Item #767272 Store Sku MFR. Product #WPC126 AvailabilityIn Stock: Ships within 24 hours

This product DOES NOT FIT your 2011 Polaris Ranger XP 800 EPS

This Product Fits
Yamaha
YZ250 1999, 2000
This item is also available for 51 different vehicles. View All Models
Honda
CR125R 1990-2002
CR125R 2003-2004
CR125R 2005-2007
CR250R 1992-2001
CR250R 2002-2004
CR250R 2005-2007
CR80R 1986-2002
CR85R 2003-2004
CRF250R 2004-2009
CRF250R 2010-2014
CRF450R 2002-2007
Husqvarna
TC125 2014-2015
TC65 2017-2020
TE125 2014-2015
KTM
105 SX 2006-2011
125 SX 2001-2015
65 SX 2009-2020
65 SX 2003-2008
85 SX (17/14) 2004-2012
Kawasaki
KX100 2006-2013
KX100 2014-2020
KX100 1995-2005
KX250 1992-2001
KX250 2002-2004
KX250F 2004-2008
KX60 1985-2003
KX65 2006-2020
KX65 2000-2005
KX80 1991-2000
KX85 2006-2013
KX85 2014-2020
KX85 2001-2005
Suzuki
RM100 2003
RM125 2001-2003
RM125 2004-2008
RM60 2003
RM65 2003-2005
RM85 2002-2020
RMZ250 2004-2006
RMZ450 2005-2007
Yamaha
WR250F 2003-2013
YZ125 2001-2004
YZ125 2005-2020
YZ250 2001-2002
YZ250 2003-2020
YZ250F 2003-2011
YZ250F 2014-2018
YZ250X 2016-2020
YZ450F 2003-2005
YZ450F 2006-2009
YZ85 2002-2018
Product Description
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