Namura Piston Kit for 1999-20 Yamaha YZ250 models - 66.36mm - NX-40025-B MPN_40021M08500 150 Fitment Type Model-Size Specific

150 Fitment Type Model-Size Specific Fitment Use Type Aftermarket Replaceent Unit Sale Qty Kit Style Oversized Bore Piston Kit Position Material Finish Piston/Cylinder Size 90

Fits: 2008-09 Honda CRF250R

1998 KTM 300 SX

2008 Suzuki LT-F250 Ozark

The ESR390 was designed as a modern regulator/rectifier to be used as a replacement for the Yamaha XZ550 Vision OEM regulator

Namura Piston Kit for 1999-20 Yamaha YZ250 models - 66.36mm - NX-40025-B MPN_40021M08500 150 Fitment Type Model-Size SpecificNamura Technologies Piston Kit Namura gives you a higher performance piston without the higher price MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures. Higher silicon content reduces expansion rates and increaseswear resistance. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup. Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips. Why replace your