2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 121Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 121

PRIMARY SHEAVE AND DRIVE V-BELT 2Inspect: Primary sheave spring Cracksdamage Replace3Measure: Primary sheave spring (standard)
87.4 mm (3.44 in) FX10MT "USACanada"FX10MTR "USACanada" 89.8 mm (3.54 in) FX10MTR "Europe"FX10MTRA "Europe" 98.4 mm (3.87
in) When changing the primary sheave springs, refer to "GEAR SELECTION" in CHAPTER 24Inspect: Primary sheave cap bush Sliding