2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 42Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 42

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SHEAVE OFFSET ADJUSTMENT POWER TRAIN
1 Remove: Left side cover Drive guard Refer to "COVERS" in CHAPTER 32 Remove: Drive V-belt 3 Measure: Sheave offset Use straightedge that is approximately 47