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  1. M

    Leaky Outdrive

    I have a 1986 Alpha One Mercruiser on an 18 ' Cuddy . Ive owned the boat for 13 yrs . Ive developed a small leak around the area where the wires go thru the transom for the Mercathode, below the exhaust belows . The mercathode has a good seal on it . A new bellows kit has been installed by a...
  2. M

    3.7 Lt headgasket test?

    Is there a quick and easy head gasket test to perform on a 3.7 Lt Mercruiser ?
  3. M

    3.7 Lt. Mercruiser stalling

    At cruising speed my motor wants to stall for a split second and picks back up again . At an idle it dies sometimes , but I turn the key and it starts back up easily.I check the carb for gas and seems to be lots at the injector pump .Quadrajet carb and many new ignition components. Problem seems...
  4. M

    Dying# 4 cylinder

    I have a 1986 3.7 Lt 190 hp Merc I've developed a miss at an idle sometimes, I've narrowed it down to the back cyl. The miss will clear up if I rev it up a bit. Also I had a backfire at 3500rpms ,it ran great for about a half hour at 3500 then backfired , backed off to 2800 then ok. Parked for...
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