1994-1995 Yamaha FX700 (FX1) Service Manual, Page 81Get this manual
REED VALVE, CYLINDER HEAD, CYLINDER AND PISTON NOTE:
Always use new gasket Tighten bolts to the outer cover first, then to the silencer assembly second Tighten the bolts in sequence and two steps of torque
Coat the bolt with blue LOCTITE (572)