Recent content by Mad Adder

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    Broke again. 1971 Johnson 50 hp

    Hello Guys and Gals, For those of you who read my other threads, here is an update. I had a broke bottom end which I replaced with a lower unit off ebay. When I took the boat out, it overheated. I got it shut off before doing damage only to find out I missed the water pump with the tube when...
  2. M

    1971 Johnson doesn't free-spin. Should it?

    After a few months of work, I think the MFG Gypsy is ready to go. I had to replace the lower unit because the gears were broke in it. I bought a nice used one and it went in with ease. I filled it with Type C and when I turned the prop, the shaft turned easy. It installed pretty easy as well...
  3. M

    1971 Johnson 50. What oil for lower unit?

    Hello. I have the motor running and tuned, but then found the lower unit was shot, as in broken gears. I bought another lower off Ebay and now need to know what oil to put in. The book says OMC type C, but that is from 1971. I went to Walmart and Kmart and I picked up Quicksilver SAE 90 gear...
  4. M

    71 Johnson 50 odd starting

    Hello, my name is Tony. This is my first post here. I just purchased a 1980 MFG Gypsy with a 1971 50 hp Johnsom motor. As the story goes, it started hard every year, the owner walked away disgusted, but then returned and it would start. After that, it ran all summer. It would not start for him...
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