1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 295Get this manual
16Slide the propeller shaft onto the shifter shaft, align the hole in the shaft with the hole in the clutch dog, install the pin and then new clutch dog retaining spring Inspect the spring for overlapping or loose coils and replace if necessary Disassembly and Reassembly of Water Pump Assembly100
If the gearcase has been in service for any length of timeit is good policy to install water pump repair kitTo inst all the repair kit, proceed as follows: 1To rebuild the wate pump, start by removing all of the parts from the impeller housingInspect the housing for cracks or melting and then install new cup 2Run thin bead of OMC Adhesive "M" in the seal groove and then install the special shaped -ring seal 3I nstall the water tube grommet downward4