2010-2011 Yamaha RS Vector / RS Venture Service Manual, Page 57Get this manual
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DRIVE V-BELT
Add shim Thickness 0.5 mm (0.02 in) 1.0 mm (0.04 in)
3 Tighten: Secondary sheave adjusting bolt Secondary sheave adjusting bolt: 10 Nm (1.0 mkgf, 7.2 ftlbf)