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    How to change belts on an 89 Mercruiser 4.3 engine

    Both of my belts broke on my 89 Mercruiser 4.3L engine and I'm not sure on how to replace them. I've read where the belt that goes around the alternator has a tensioner on it that you can loosen, but I'm not sure about the larger belt that goes to the power steering and water pump. I have the...
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    Missing neutral button

    Does anyone know where I can find another neutral button? I have a 1989 Glasstream Rigatta with a MCM 4.3L alpha 1. The button is missing in the center of the shifter. Thanks!
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    Replaced thermostat and gaskets, but still leaking

    I have an MCM 4.3L Alpha 1 I/O and I just replaced the thermostat along with the round gasket, o-ring, and upper two gaskets that the thermostat cover goes over. Originally it had an upside down u shaped piece of metal that set on top of the thermostat housing that had holes for the bolts to go...
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    Changing spark plugs on MCM 4.3L

    Does anyone have a diagram that shows where the spark plugs are located at on a MCM 4.3L? The cap is on the top of the engine and i can see the wires going down and it looks like they are underneath the engine. Is this correct? How in the world do you get to them??
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    MCM 4.3 Alpha 1 Gen 1 won't start after impeller changed

    I have a MCM 4.3 Alpha 1 Gen 1 that I replaced the water pump kit on the lower unit. After struggling with it last night to get it back together I tried turning it over and it wouldn't start. Before I made the replacement we had it cranked up and running with some muffs on there. We found that...
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