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  1. #1

    Join Date
    Oct 2008

    MSX 140 Loses power

    Hi There, Very new to this.

    I have a MSX 140 that revs up fine out of water, however i put it in the water and the max revs i have achieved is 4200RPM and about 30kph with playing with the throttle, if i give any more than 1/3 throttle it dies. Have replaced plugs (PZFR6H) and still no good. 26hrs on clock.

    It will only run for about 5 mins then stop and takes alot of cranking to start ( kind of like flooding?) but will start first kick when cold?

    The last time i had it out last year, it did this intermittently 3 times, then came good, i suspected bad fuel and have drained and put fresh fuel in.

    any help would be appreciated...


  2. #2
    ph2ocraft's Avatar
    Join Date
    Apr 2006
    Campbell, Ca.
    Danile, WELCOME to the Green Hulk Forums!!

    Check your fuel pressure and let us know what you have.
    Any warning indicators on the MFD?
    I can't determine if you're hitting the rev limiter or have a fuel issue, so start with the fuel pressure I guess.

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