2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 123Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 123

Quality of the image is intentionally reduced!

PRIMARY SHEAVE AND DRIVE V-BELT 2 Install: Fixed sheave (onto the spider)
3 Install: Fixed sheave stoppers 1

Stopper tapered portion should face fixed sheave
4 Tighten: Spider