1984-1986 Mercury Force 9.9 and 15HP Outboards Service Manual, Page 69Get this manual
4Inspect clutch for wearReplace if wornPay particular attention to clutch dogs ACheck Iree length of clutch springCheck
straightness by rolling on flat suriaceFigure
2-716" (63 mm)
Figure 23Re.r Bevel Ge.r ae.rlng 1.0
7Check gears for wearWear pattern will be noticeableGears should look as if each tooth was polished evenlyFigure 21 Me urlng Clutch Spring length
BClutch is hardened ook for cracks at shear points
8Inspect rear bevel gear with bearing Measure 1.001 bearingBearing can not be replaced except as an assemblyFigure 24 9Inspect pinion gear with bearing Bearing can be replaced individual ly If necessary, press oft old bearing Press on new bearing 10Inspect front bevel gear with bearingMeasure 1.001 bearing Bearing can not be replaced except as an assembly