2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 131Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 131

SECONDARY SHEAVE 2Measure: Secondary sheave clearance Out of specification AdjustSecondary sheave clearance: 35.035.8 mm
on each bolt so the clearance is 35.5 mm (1.40 in)4Adjust: Secondary sheave clearance Adjustment steps: Disassemble the secondary
sheave Remove the bolts and original shims Install new shims of the proper thickness and reassemble the secondary sheave