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    cleaning inside gas tank

    I recently purchased a 1974 4hp mercury motor off Craigslist.com. I saw the motor run before I bought it. It came with a 3gal metal gas tank 2/3 full of gas. The seller told me he put stabilizer in the gas. Today I decided to put fresh gas mixture in it. I was never so surprised to see what...
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    checking coil off motor

    Is there a way to bench check ignition coil for good or bad off motor from a 1974 Mercury model 40 4hp Serial #3937982 ? Thank you. Ducksir
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    killing the motor

    I recently purchased a 1975 mercury 40 4hp. Runs great but how do you shut off the motor without pulling the gas line or choking it to death. Thanks
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    Identify rod

    I recently purchased 1974 mercury 40 4hp. There is a 1/4" diameter rod 6" long with a ball on one end attached to a socket of a part I believe having something to do with the tilt of the motor. The other end has a 45degree X 1/2" bend in it. This end is hanging free. I cannot find any place for...
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    water pump kit

    How do I install water pump kit in a Mercury outboard: Mod40, 4hp ,serial# 3937982, year 1974? Appreciate any help.
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    propellar

    I resently bought a 1974 Mod 40 4HP Mercury outboard motor. It runs great. I'm trying to learn all I can about it. My question is how do I remove the Propeller. I remove the nut and spline step washer but still could not slide the prop off the shaft??? I am mechanical inclined but don't have a...
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    1993 50hp 2cylinder Johnson intermittent spark

    Hello all, I'm new at posting, please bear with until I find my way around. I sent this message yesterday but didn't give it a title. I'm sending same message hopefully with title. I have a 1993 50hp 2cylinder Johnson motor model JV50 TLETF. My problem is no spark to intermitten spark. I also...
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    ducksir

    I have a 1993 50hp 2cylinder Johnson motor model JV50 TLETF. My problem is no spark to intermitten spark. I also have spark on one cylinder only at times. The motor runs great when I do have spark. I think I have eliminated the coil being the culpret by switching the coil wires coming from the...
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