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    69 omc 120hp leg lube question

    this has been a project for the past couple of years and I am nearing the start up stage. today I drained and refilled the lower gearcase as per my manual and a strange thing happened. I pumped the oil in from the bottom with the oil level plug out, expecting to see the oil eventually come out...
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    what disolves 3M 5200??

    Somebody before me used gobs of 3M 5200 to seal the trim motor to the motor mount and when I removed the motor the case and rear cap came off but the front cap and the armature stayed - armature is 'trapped' by the front cap which is glued to the motor mount with the 3M. (I'm pretty sure its 3M...
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    water pump question...

    my boat has a 120 OMC drive and I was just curious what exactly does that waterpump in the leg do? IE, why is there a water pump on the engine, and one in the leg? Do they do different things or just compliment each other? Thanks in advance
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    OMC tilt motor removal .....HELP!

    I am having a very difficult time in finding how to remove the tilt motor (for testing/cleaning/fixing) from my 1969 120HP I/O. I have the clymer manual and it is such a joke - the paragraph sez to 'remove the 2 screws holding the motor - refer to figure x' - well, figure x is a picture of a...
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    gasket maker experiences/opinions?

    I have redone the transom, stringers, floors, reinstalled the engine (4cyl I/O), cut the holes in transom and sealed, reinstalled steering..... now it is time to reinstall the sterndrive. My patient is a 1969 OMC electric shift (I know, I know, that was my first mistake....) So, I'm looking...
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    Manifold pressure testing...?

    Hello all, new to the board. I bought a neighbors 17.5 bowrider I/O with a GM 4cyl (120hp) and OMC stringer drive. It was a project from day 1 - got all new transom, motor mounts and floor in. Now, onto the motor. I took off the manifold to make sure it isn't cracked or rusted through and it...
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