Recent content by Tryinboatin

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    Ready for Ignition?

    Powerhead replaced on a '75 50 hp Johnson (50ESL75B). The first ran for three seconds and blew up after sitting for four or more years. It was stuck when I got it, but we had it turning well (aside from some harsh stops) when I put the plugs in it. New powerhead is claimed to have run last...
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    Crankcase Head 1975 50 HP

    Good Day All: Thanks for your help. I'm swapping a 1971 50 hp powerhead to a 1975 50 hp engine (50ESL75B). The 1971 is about .050" too wide at the O-ring boss to fit between the steering arms. I plan to file or grind the O-ring at its outermost edge just enough so it'll pass through, but not...
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    Exhaust Manifold Removal

    Good Day All: I've searched and was unable to find a thread on this topic. I have a 1975 Johnson 50ESL75B that I'm doing a powerhead swap on. There's what appears to me as an exhaust manifold between the lower unit and the powerhead. I thought that's where the powerhead would separate, so...
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    I Blew It. (It's okay to laugh.) Now with video link.

    Good Day All: I'm new to boating and have found a tremendous resource here with all your expertise and am grateful to each who volunteers their time. But I found it a little too late. I bought a $500 roadside special: 1975 Glastron tri-hull with an incredibly-clean 50 horsepower Johnson...
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