Reply To: Weak spark on 1973 20 Hp Johnson

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July 29, 2020 at 11:57 am #210276
Evinrude 25
Participant

    Yes, initially it was hard to start, 10-20 pulls to get it run but when it ran, I could start again with a couple pulls. The idler needle sets out 2 turns from fully seated some time I had to back out 1 more turn to make it run. Ok I heard from you to give up using 1981 carb. I will order the carb kit and rebuild it. I may redo the cleaning again when the new kit coming. The choke linkage was not a clean design!
    Note: the bottom part of the 1973 Carb is the same part number of 1981 carb.