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    New gimbal bearing, can’t get alignment tool in coupler

    Maybe Broke spring or ROT! Been there!
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    New gimbal bearing, can’t get alignment tool in coupler

    Is there a way to clearly see ALL mount parts and the correct position that they are supposed to be in? You may have dislodged something during the installation and it fell into your bilge. I did!
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    New gimbal bearing, can’t get alignment tool in coupler

    simple test. drill some 1/4" holes on the inside around transom plate and drain plug and examine material coming out. then plug back with 5200. do that for stringers too. Good luck!
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    New gimbal bearing, can’t get alignment tool in coupler

    I would and I'd also test for ROT. That's an old boat.
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    Gas vapor out the secondaries at WOT

    That's an old motor. If salt used, I'd be looking for a new block. I don't believe TB 4 had knock sensors and cheap gas may have caused pre-det. problem. Examine heads carefully. I once purchased reconditioned heads that the shop swore had never been in salt water. However, the last water...
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    Mercruiser 6.2l 300 (2018 model) Gimbal bearing grease how to?

    I'm not fond of the sealed ones either, but as a Alabama deer hunter with a 4x4, I can attest that the sealed u-joints last longer than the greased ones. My truck was constantly in the clay mud.
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    Mercruiser 6.2l 300 (2018 model) Gimbal bearing grease how to?

    Do you mean that the gimbal housing doesn't have a grease fitting on its stb side, or the bearing doesn't have one? I have NEVER seen a grease fitting on the bearing, but some are sealed and do not require grease. Just replace. However, if your gimbal housing doesn't have a grease fitting, maybe...
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    Mercruiser 6.2l 300 (2018 model) Gimbal bearing grease how to?

    Some are sealed. If rough, just replace? I haven't a clue how to grease w/o fitting!
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    Bellows full of grease/oil

    Not 100% on Volvos but you should buy a pressure testing kit and find leaks before your really ruin something. Too much gimbal or u joint grease will sling out and become messy. The water and lube messs raises major concerns.
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    Random knock over 4k RPMs...

    Look inside dist at rotor for any crap, fractures or looseness. U might also have a plug wire arcing or breaking down.. Good luck!
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    Beeping

    U have fume detector??? Regardless, excesses (disconnect and reconnect) all switch connectors including alarms. Wasps and hornets are bad in NW Florida for clogging up blower hoses and reducing air intake to bilge area.
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    Random knock over 4k RPMs...

    How old is motor??? If my memory serves me correctly, the ethanol sometimes breaks down some of the older fuel lines and the crap ends up in places that it is not supposed to. I had a proline that gave me engine problems until I cycled clean fuel through the tanks/filters and replaced rubber...
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    Random knock over 4k RPMs...

    OUCH!!!!!!!!!!!!!!!!!!!!!!!!! Discard safest way possible!
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    Buying a automotive engine to replace my mercruiser, need opinions

    If I understand you, the motor has been heavily used in salt water off and on since 1992. If so, unless it is FW/antifreeze cooled, I'd pitch it and start with something only used in fresh water for cooling. Just my 2 cents...
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    Random knock over 4k RPMs...

    Not 100% proficient on EFIs in boats, but I suspect knock sensor is not doing its job. Clean and reconnect. Mechanic may have "bumped" loose. Or,, perhaps spark plug wire is leaking to it before going to ground???
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    Motor question

    Original salt water motor? RUN!
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    Mercruiser V6/V8 I/O exhaust shutters explained. (only applies to 4" systems)

    Excellent information but I can't enlarge diagram to fully view! I had an 86 SR Amberjack back in the 90s (v8S) that didn't have any shutters. My 1995 Proline (V8s) did. My recent 86 restoration did have them but one motor's was almost disintegrated. I also had to buy new Y pipes due to salt...
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    5.7L 1984, Rough idle at start up, then ok after a minute or so

    Or a loose nut on coil or gauge... Been there too!
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    Bad 1970 Mercruiser Engine, Please tell me there is still hope.

    No disrespect but "seems" may cost you a fortune and hard work, if there is rot. Trust me. I have been working on a restoration for over 4 years due to an incompetent marine surveyor. Take 1/4" drill bit and drill at least a half dozen holes around inside transom assembly and a couple near drain...
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    Mercruiser 7.4 Starter Grinding/Partial Engagement?

    Inside battery lugs too where they make contact with battery posts???????
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