Namura Oversized Piston Kit for Yamaha YFB250 / YFM250 Models - 72.45mm - NA-40015-6 Piston Size_84.97mm 1994 Ski-Doo Formula ST

1994 Ski-Doo Formula ST

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Namura Oversized Piston Kit for Yamaha YFB250 / YFM250 Models - 72.45mm - NA-40015-6 Piston Size_84.97mm 1994 Ski-Doo Formula STNamura 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