Description
All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston life. All pistons are heat treated with a T-5 hardening and tempering cycle. All rings are Orig. Equipment replacements. Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable


![SPI Sports Parts Inc OEM Style Piston Kit with Rings for Yamaha Snowmobiles 1975-1981 [MPN: 09-806-02N]](https://www.autosupplyforge.com/wp-content/uploads/2026/03/spi-sports-parts-inc-oem-style-piston-kit-with-rings-for-yamaha-snowmobiles-1975-1981-mpn-09-806-02n-aafifkcd89524.webp)


![SPI Sports Parts Inc OEM Style Piston Kit with Rings for Yamaha Snowmobiles 1975-1981 [MPN: 09-806-01N]](https://www.autosupplyforge.com/wp-content/uploads/2026/03/spi-sports-parts-inc-oem-style-piston-kit-with-rings-for-yamaha-snowmobiles-1975-1981-mpn-09-806-01n-prfkxslp81054.webp)
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