1984-1986 Mercury Force 4HP Outboards Service Manual, Page 63Get this manual
10Pry driveshaft seal from bore usi ng screwdriverFigure 15 2Visually inspect propeller shaft for obvious wear or distortion ar ou nd clutch slot and propeller in holeRem ove shar burrs or icks wi th fine fi le or em ery clothOn spline shaft modelscheck spl ine for cr acks
Do not rem ove excessive metal from shaft
3Check cl utch sp ringACheck free lengthFigure 17
Figura 15Ramovlng Drlva.h.ft Sa.1
Beari ng beneath dr iveshaft seal is not rep laceable
11 Remove propeller shaft bear ing cage seal A