2006-2008 Yamaha RS, Vector, Rage Factory Service Manual, Page 260Get this manual

2006-2008 Yamaha RS, Vector, Rage Factory Service Manual, Page 260

CRANKCASE Piston rings side clearance: Top ring: 0.0300.070 mm (0.00120.0028 in) 2nd ring: 0.0200.060 mm (0.00080.0024 in)
measuredIf the oil ring rail's gap is excessive, replace all three piston ringsPiston ring end gap: Top ring: 0.350.45 mm
(0.0140.018 in) 2nd ring: 0.750.85 mm (0.0300.033 in) Oil ring: 0.200.60 mm (0.0080.024 in) 6Inspect: Piston pin Blue discolorationgrooves