Mercury Force 9.9, 15HP Outboards Service Manual, Page 129Get this manual
4Place piston on pillow block with piston pin aligned with the hole in the pillow block5Drive piston pin out, using pin punch (Special Tool NoFT-B919)FT -8919
FT-2990-1 '"'-
HDISASSEMBLING CYLINDER HEAD
1Remove all sealant from cyli nder head