1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 313Get this manual
Disassembly and Reassembly of Propeller Shaft Assembly155 1To remove the clutch dog pin retaining spring, begin by locating one end of it and then with small screwdriver, pry the end of the spring out of the grooveContinue to work your way along the spring prying it out of the groove, until its entire length is out of the groove2Push the clutch dog pin out with small screwdriver and separate the propeller shaft from the forward bearing housi ng and remove the clutch dog from the propeller shaftDiscard the clutch dog pin retaining spring Inspect the clutch dog for excessive rounding of the lugs which may be caused by shifting at excessively high rpm or misadjusted shift linkage3Remove the forward gearthrust bearing and thrust washer from the forward bearing housing and clean and inspect the partsRemove the 25 forward gear needle bearings from the bearing housing4Push downward on the detent lever that the shift rod was threaded into until it "snaps" into its lowest position, then and cradle Q) remove the shifter shaft