Recent content by M Butler

  1. M

    Only getting 4700 RPM max

    Long overdue update! Finally got the boat in to the shop and was told that the air filter was collapsing, keeping it from reaching its potential. They put a new one in and now I’m getting the full 6000 rpm and running 26mph by myself. I’ll play with the props some and see which one works best...
  2. M

    Only getting 4700 RPM max

    Well... different prop and same results. Time to take it in and let the pros figure it out!
  3. M

    Only getting 4700 RPM max

    I switched out props yesterday but the storms kept me off of the water. I went from a PowerTech SS 13x14 to a Michigan aluminum 13 5/8x13. Hopefully I’ll get a chance this week to try this one out and I’ll update.
  4. M

    Only getting 4700 RPM max

    Definitely. Thanks for your help!
  5. M

    Only getting 4700 RPM max

    It sounds like we have the exact same boat. I’m hopeful that this will solve some of the issues that I am having. I’ve also been told that a bad injector will make you loose the top end without running bad otherwise.
  6. M

    Only getting 4700 RPM max

    It’s a PowerTech
  7. M

    Only getting 4700 RPM max

    That’s awesome. Thank you!
  8. M

    Only getting 4700 RPM max

    6000 rpm is the max suggested
  9. M

    Only getting 4700 RPM max

    I have a new 20’ pontoon with a 90hp Yamaha. Prop is stainless with 13” diameter and 14pitch. At WOT I get 4700 rpm and 15 mph? Any suggestions?
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