1984-1986 Mercury Force 9.9 and 15HP Outboards Service Manual, Page 60Get this manual
13Installation Crankshaft bearing cage with seal, and stator ring:
BAttach magneto ground lead wire to rear starboard screw and install screwssecuri ng throttle cam to stator plate cHook magneto control link in hole 01 throttle camonportside
Install upper crankshatt seal In crankshaft bearing cage with seal installer (Special Tool NoT 3012) Part number must face outward and sealing lips must face toward inside of cylinderBotto of seal case must be .060" (1 .5 mm) to .090" (2.3 mm) from bottom of seal boreAInstall new bearing cage gasket on powerhead
During next step, be sure follower roller is not under throttle cam Place stator plate assembly on crankshatt and secure to magneto stator ring with screws 15Secure exhaust tube to cylinder block
BApply grease to lips olsealCInstall seal sleeve (Special Tool No.T 2908) in bore of crankshaft bearing cage seal to protect seal when installing