2007 Yamaha Apex Factory Service Manual, Page 42Get this manual
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SHEAVE OFFSET ADJUSTMENT
SHEAVE OFFSET ADJUSTMENT 1 Measure: Sheave offset Use the sheave gaugeOut of specificationAdjustSheave offset: 15 1.5 mm (0.59 0.06 in) (13.5 16.5 mm (0.53 0.65 in)) She