Home › Forum › Ask A Member › 1974 Evinrude 9.9 won’t idle at low RPMs, need help › Re: 1974 Evinrude 9.9 won’t idle at low RPMs, need help

#35373
mercuryman
Participant

    There is a real good chance the top oil seal is worn. I had one with the same problem and replacing the seal fixed it. You need to pull the magneto off the get to the seal.