Namura Piston Kit for 1985-08 Yamaha YFM80 Models - 46.96mm - NA-40080 MPN_710198 Polisport chain guides are perfect

Polisport chain guides are perfect replicas of the OEM stock parts

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2007 KTM 525 EXC

Namura Piston Kit for 1985-08 Yamaha YFM80 Models - 46.96mm - NA-40080 MPN_710198 Polisport chain guides are perfectNamura 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