1994-1995 Yamaha FX700 (FX1) Service Manual, Page 69Get this manual
REED VALVE, CYLINDER HEAD, CYLINDER AND PISTON NOTE ON REMOVAL AND REASSEMBLY
With the engine mounted, the following parts can be removed Before servicing, clean the parts, and take care so that foreign material do not enter the crankcase Remove the gasket adhered on the contacting surface Take care not to scratch the contacting surface when removing the cylinder and cylinder head Take care not to scratch the cylinder and piston surface For reassembly, the removed parts should be cleaned with solvent, and apply the twocycle outboard oil onto the sliding surfaceExtent of removal: