2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 345Get this manual
Quality of the image is intentionally reduced!
SHEAVE OFFSET ADJUSTMENT
POWER TRAIN
SHEAVE OFFSET ADJUSTMENT 1 Measure: Sheave offset Use the sheave gaugeOut of specification AdjustSheave offset: 13.516.5 mm (0.530.65 in) Sheave gauge: