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Recent content by Mark Neumann

  1. M

    Only getting 4700 RPM max

    I have the same year and size boat with a 90 Yamaha. Tops out at 28 mph, 4800rpm.
  2. M

    Engine upgrade possible?

    2017 20' with strakes. 90HP Yamaha, 25" toons and it tops out at 28mph with full tank, two people and two dogs.
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