1994-1995 Yamaha FX700 (FX1) Service Manual, Page 72Get this manual
REED VALVE, CYLINDER HEAD, CYLINDER AND PISTON
Do not use hammer to drive the piston pin out
12Remove: Piston ring NOTE: Take care not to scratch the piston and damage the piston ring
G64701-O'
INSPECTION Reed valve 1Measure: Clearance Out of Reed valve bending limit: 0.2 mm (0.008 in)