The Wiseco Crankshaft Kit - Yamaha YZ85 2002-10 is part of the latest performance part range from Wiseco.

Crankshaft Kit from Wiseco.

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 web

Please note: Image for illustration.

To fit:

YAMAHA YZ 85 LW 2002 All Models

YAMAHA YZ 85 SW 2002 All Models

YAMAHA YZ 85 SW 2003 All Models

YAMAHA YZ 85 LW 2003 All Models

YAMAHA YZ 85 LW 2004 All Models

YAMAHA YZ 85 SW 2004 All Models

YAMAHA YZ 85 SW 2005 All Models

YAMAHA YZ 85 LW 2005 All Models

YAMAHA YZ 85 SW 2006 All Models

YAMAHA YZ 85 LW 2006 All Models

YAMAHA YZ 85 LW 2007 All Models

YAMAHA YZ 85 SW 2007 All Models

YAMAHA YZ 85 SW 2008 All Models

YAMAHA YZ 85 LW 2008 All Models

YAMAHA YZ 85 SW 2009 All Models

YAMAHA YZ 85 LW 2009 All Models

YAMAHA YZ 85 SW 2010 All Models

YAMAHA YZ 85 LW 2010 All Models

Manufacturer part number: WWPC123

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