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    Head Gasket/ Cylinder head Plate water leak -1988 force 50HP

    What is the proper way to replace the head gasket on an 88 force 50? I recently replaced one, and torqued it down to specs but the OUTER jacket (cylinder head plate) leaks water. It leaks water out of the outer Jacket cover and above the spark plugs.
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    Impeller/water pump Question '88 50HP

    What direction do I need to 'pre-stress' an impeller into the pump housing for an '88 50HP force? I know the side with the slot for the pin goes down.
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    Compression test for '98 150HP

    What is the proper way to test compression on a 1998 150HP S/N: D6665104? I am considering buying it but want to make sure it is sound. Thank you.
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    '89 50HP Cooling Jacket Question

    After recently replacing my head gasket, my water jacket leaks a little at the bottom and spark plug. I've torqued it down to specs, and retorqued it after running it to temp and all that. It still leaks. About the repair; My Head gasket kit didn't come with a gasket or enough red 'spaghetti...
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    1998 Merc 150HP Question.

    I am looking at a 19' maxum with a nice, clean looking 1998 merc 150 outboard on it for a cool 3000$ (serial num d6665104) . Can anyone tell me if this engine has a reliable history/is it hard to service/ and are there any tests i can do to detect if this motor has been effected by ethanol...
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    Thermostat Question 50 HP force

    I am testing a 130 degree thermostat for my 1988 50 HP force. The engine has an overheating problem. The thermostat opens smoothly at 140 degrees. Do I have a faulty thermostat? Is 10 degrees enough to make a difference? On another note, is there a certain way to orient the thermostat that...
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    1988 Force 50 overheating when throttled up.

    Hello everyone, My '88 force 50HP idles fine and operates at about 130-140 degrees at idle and in first gear (I installed a cylinder head temp guage to monitor the temp, thankfully). I have mist coming out of my exhaust port as well...when I go full throttle to plane off, the temp rises fast...
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    Starter trouble-No power to starter

    I am having trouble with a new starter i just installed on an '88 50HP force. When I turn the key to start, nothing happens...no click or anything...I can push to choke and the choke solenoid works fine. So i know there is some power going to the motor from the ignition. I have the red POS...
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    88' Force 50 dies at idle, gas sheen in water

    I had my 88' 50 hp force running fine all day...we refueled the gas tanks in town and tried to go back out. she wouldnt start and when she did, she cut out after a minute or less. I just rebuilt the carb and choke so i know its not that. when will trailered up, we noticed a oily/gassy sheen...
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    '88 50HP force outboard starting problems

    ...This motor has been sitting for some time. We just came across it the other day. I could get her to start up and run for a few minutes at first... no prob. Then it just putters out when i try to throttle up. It keeps stalling everytime i give it gas. I realized when i got home that i...
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