1988-1995 Mercury Force 5HP Outboards Service Manual, 90-823263 793, Page 176Get this manual
MREASSEMBLING CYLINDER 1Apply bead of sealant (Special Tool NoFT-8983) to entire parting line surface
APPLV SEALANT
NOTE: Make sure that sealant reaches lower main seal case and cylinder leg exhaust gasket
IMPORTANT
Do not allow excess sealant to contact bearings or to overflow into crankcase