2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 451Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 451

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MAINTENANCE SPECIFICATIONS POWER TRAIN Model Primary sheave spring: Part number Color code Diameter Wire diameter Preload Spring rate Number of coils Free length Set length Primary sheave weight arm: