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  1. C

    Johnson 6 hp won't start

    Hi, I recently purchased a 1975 Johnson 6 hp. I used to have a 77 model so I'm pretty familiar with this motor. It will not start or even try to start. Compression is 70 in both cylinders. I cleaned carb and put a rebuilt kit in it. I replaced coils and points and set them correctly. I've got...
  2. C

    20 hp coughing

    Hi, I recently purchased a 20hp Johnson 1989 model. The motor has good compression and it runs well wide open. It also runs well wide open under a load. The problem I have is intermittent coughing out the exhaust. It coughs most of the time at a low speed or idle but occasionally it idles...
  3. C

    9.9 carb question

    I have this old 9.9 motor. The flywheel says tecumseh but I have heard that is a sister to Johnson outboards. I've worked on it and it will start now but revs up very high unless I pump the bulb constantly. It is also leaking fuel out of a hole on the top of the carb. I have attached a picture...
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