Re: 18HP saga continues. Can’t get past 14mph and 3,900 RPM.

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October 7, 2017 at 4:58 am #65836
stephenspann27
Participant

    I checked my main jet and it’s a #57. The carb the motor came with has a #64 main jet. Not sure why they changed the main jets that drastically for different year models.

    http://forums.iboats.com/forum/engine-r … 7351789626