1984-1986 Mercury Force 4HP Outboards Service Manual, Page 65Get this manual
R saemblyReplacement parts for the gear housing are avaifable Individually; in additionall the seals used in the gear housing are avaifable in kit torm1Replace seal In propeller shaft bearing cageAInstall propeller shaft seal in bearing cage with spring side out, usi ng seal installer (Special Tool NoT 2915)Figure 23 2Assemble propeller shaftAInstall clutch spring and clutch pin guide
Be sure spring is placed in cavity before pin gu ide
BCompress spring using small screwdriver and slide clutch in slot of prop shaftFigure 25