- Precision-trued to OEM specifications and factory assembled
- Connecting rods are double-forged to 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 increase oil retention and reduce friction between rod and washer interface
- Crank pin bearings are manufactured with 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
- Crankshaft comes with top-end bearing
- Connecting rod kits come complete with rod, crank pin, crank pin bearing, top-end bearing and thrust washers
Specs Wiseco Connecting Rod WPR173
- Type: Connecting Rod
- Units: Each
Fitment Wiseco Connecting Rod WPR173
- Part WPR173 fits the following machines:
- 1999 Yamaha YZ250
- 2000 Yamaha YZ250
- 2001 Yamaha YZ250
- 2002 Yamaha YZ250
- 2003 Yamaha YZ250
- 2004 Yamaha YZ250
- 2005 Yamaha YZ250
- 2006 Yamaha YZ250
- 2007 Yamaha YZ250
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Wiseco Connecting Rod WPR173
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