1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 315Get this manual
16Slide the propeller shaft onto the shifter shaftalign he hole in the shaft with the hole in the clutch dog, install the pin and then new clutch dog retaining springI nspect the spring for overlapping or loose coils and replace it if necessary Disassembly and Reassembly of Water Pump Assembly155
If the gearcase has been in service for any length of time, it is good policy to install water pump repair kitTo install the repair kit, proceed as follows:
CO B3101
1To rebuild the water pump, start by remov ing all of the parts from the impeller housingI nspect the housing for cracks or melting and then install new cup