Wiseco Crankshaft Kit - Yamaha YZ80 [WPC122]

Manufacturer Part Number: WPC122

Parts Unlimited Part Number: 09210101

Product Type: Crankshafts & Parts

Crankshaft Kit - Yamaha YZ80

Material: Steel
Riding Style: Off-Road
Product Name: Crankshaft Kit
Type: Bottom End
Displacement: 80 cc
Stroke Length: 47.80 mm
Units: Kit
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