1997 Yamaha YFM600FWAK ATV Service Manual, Page 37Get this manual
MAINTENANCE SPECIFICATIONS Item 2nd ring: Standard
Type Dimensions (B T) End gap (installed) Side clearance Oil ring:
IJBPlain 1.2 3.8 mm (0.0470.150 in) 0.300.45 mm (0.0120.018 in) 0.030.07 mm (0.0010.002 in)
0.8mm (0.031 in) 0.13 mm (0.005 in)
Dimensions (B T) End gap (installed) Crankshaft:
2.5 3.4 mm (0.0980.134 in) 0.20.7 mm (0.0080.028 in)