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    Pre Alpha Hinge Pins

    Hello folks, I am currently in the process of replacing my bellows and gimbal bearing. My outdrive is Pre Aplha and I did not have to use the special hinge pin tool to remove the bell housing. Mine has the pins or nails rather than go through hinge pin as I am sure many of you are quite...
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    Mercruiser Pre-Alpha 3.0 Wiring Issue

    Hello All, Last season, I had an issue where I tried to start the boat one day, and something 'clicked' somewhere and then nothing after that. The guages wouldn't move anymore when the key was turned to Run like they used to. The push button circuit breaker isn't tripped as well, and shows...
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    Mercruiser GM Engine Block Serial Number

    Hello all, I am trying to locate my engine block serial number. When I bought the boat I was told it was a 3.0L 140 Hp. Of course, it is an inline 4 cylinder GM block. I have checked everywhere for a serial number, but the only thing I could find and positively identify as numbers and such...
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    Mercruiser 3.0 - Water in Oil After Overheat

    Hello, I have run this engine for a few year now with no problems with the engine itself. I have changed the oil regularly, and have never seen any signs of water in the oil or on the under side of the filler cap. When I got it, the guy had changed out the Mercruiser manifold and replaced it...
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    Pre-Alpha Cooling System Failure

    Hello again folks.... I was out earlier tonight for a tour and for some reason the water pump just quit completely. I have a faulty temp gauge, and monitor the the cooling by touching the metal coupler at the thermostat housing where the cooling hose attaches, it's tedious as I am a bit...
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    Engine Alignment Question for Mercruiser Pre-Alpha

    G'day Folks, Just a quick question regarding engine alignment. I recently had my motor pulled to do some work on the rear of the engine. Prior to this, the rear engine mount bolts were just a standard bolt with a nylon lock nut and a single steel washer under the head of the bolts. There was...
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    3.0L Mercruiser Pre Alpha - Rattling noise coming from flywheel housing.

    Hello again folks, I am trying to track down a rattling noise coming from my bell housing. I had recently replaced the coupler with the help of a friend who has an engine hoist. After getting it all back together, I had the motor properly aligned by a marine mechanic and the outdrive...
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    Aplha Shift interrupt switch adjustment.

    Hello again, I have recently been having problems shifting out of gear when in the water. It doesn't happen all the time though, and sometimes I even have to shift towards reverse in some cases to get it out of forward. I have adjusted the shift cable as per the service manual, and the gears...
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    Pre-Alpha 140 - Exhaust Question

    Hello... I seen a similar post earlier about this... I had my boat in the driveway the other day on muffs and noticed that a lot of water expelled from the cooling system seemed to be squirting out somewhere around the transom plate. I couldn't tell if any was actually running out of the prop...
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    Mercruiser Pre-Alpha Trim Troubleshooting

    Hello, Tried searching the threads for an answer but unable to find exactly what I am looking for... Having some problems with my power trim. The outdrive is currently off the boat as I have replaced the engine coupler, and awaiting alignment. I have had problems with the tilt not working so...
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