Namura Piston Kit for Yamaha YFB250 / YFM250 Models - 70.95mm - NA-40015 MPN_WR101-081 1981 Yamaha SR500

1981 Yamaha SR500

2000 Honda TRX250 Recon 250 2x4

2016 Polaris Ranger 570 Crew XP

Part Number: ESR135

2005 Polaris XC 800 SP

Namura Piston Kit for Yamaha YFB250 / YFM250 Models - 70.95mm - NA-40015 MPN_WR101-081 1981 Yamaha SR500Namura 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