1994-1995 Yamaha FX700 (FX1) Service Manual, Page 77Get this manual
REED VALVE, CYLINDER HEAD, CYLINDER AND PISTON 4Check: Free play There should be no noticeable free playFree play the connecting rod for wearReplace the pin andor connecting rod as required
ASSEMBLY AND INSTALLATION Piston
1Install: Piston ring
Align each end gap with the locating pin Top and 2nd rings are same ring Take care not to scratch the piston and damage the piston ring2Install: Bearing