WISECO

Crankshaft Yz125 05-16

Part # 0921-0549

• —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