1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 269Get this manual
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COA3140
Removal of Gearcase65
J:: To prevent accidental starting of the engine, disconnect
charge coil connector and battery cables at the
battery2Remove the propeller and mounting hardwareInspect the propeller for spun hub3Remove the oil level and the filldrain plugs (oil level first) to drain lubricant from the gearcaseInspect the lubricant for water, which will give it white milky appearance or overheating which will give the lubricant black color and burned odorReinstall the plugs temporarily after draining the gearcase4Remove the shift rod retaining screw
5Mark the trim tab and the gearcase before removing the trim tab so tab is put back in the same positionRemove the trim tab retaining screw and the trim tab from the gearcase6Using 58 inch thin wall socket, remove the countersunk screw with the lockwasher7Remove the screw from inside the trim tab cavityCOA3147