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    Mercury 50 hp 2 stroke, bottom cylinder taking on water

    Hi, I have a 1979 50 hp mercury 4 cylinder 2 stroke, It started lacking power and cutting out a few weeks ago, after investigating the problem I found that the bottom cylinder was getting a creamy residue in due to a water leak, apparently this is quite a common problem and its the lower...
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    Mercury 50 hp 2 stroke white Milky spark plug...help please!

    Hi I have a 1970 Mercury thunderbolt ignition 50 hp 4 cylinder 2 stroke outboard which has been running fine untill last week when it lost power, I removed the spark plugs and found that the bottom one has a white Milky substance on, once replaced It runs fine for about 30 mins then creams up...
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