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This top gear features a robust bushing design to address the frequent failure of oem top gear bushings. The design of the bushing requires machining a counterbore into the oem gear, so that is why it is sold as a full assembly. Fits all Sidewinders and Thundercat 9000. Does not fit the Viper and ZR 7000. 


DMC Top Gear


    Yamaha 4 Stroke Snowmobile Specialists

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