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    78 Johnson 55hp core plug

    I've taken the core plug off the carburetor above the low idle orifice. How do I get the replacement one back on? The book says to use a flat punch and hit in, but the new one is a much smaller diameter. If I set it over the hole it actually falls down in. I flattened it out a bit and it will...
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    Low speed orifice problems

    So I went and did it. I have a 78 johnson 55hp with an idling problem. The first couple times I've cleaned the carbs I left the low speed orifice alone because I could tell they were already stripped. Today I decided to get them out because it just won't idie right. The first one came out but...
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    78 Johnson 55 hp won't stay running

    I have gotten a 78 Johnson 55 hp that has been in storage for 15 years. Everything was winterized properly and fuel was drained back then. When I got it and put fuel in it, the engine fired right up. Took it out on the water and it would die after about 5 minutes of running full speed. I checked...
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