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  1. #1

    stuttering with top speed of 9mph 2012 RXP-X

    I took my 2012 RXP-X out on the lake today. When I give it full throttle the engine stutters and vibrates and only goes about 9-11mph. The rpms are around 4400 or so.

    Any idea what this could be? The pump is free of debee's.

    Maybe spark plugs? It has 39 hours on it.

  2. #2
    Mod less, ride more! troyheb's Avatar
    Join Date
    Jul 2007
    Nederland, Texas
    You probably do have something wedged in your prop. Did you remove the intake grate and look inside?

  3. #3

    Join Date
    Aug 2018
    Jax, FL
    What he said ^^ Sounds like you sucked something up.

  4. #4
    I fixed it by putting new spark plugs in.

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