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  1. #1
    PWCToday Newbie
    Join Date
    Jun 2017
    Location
    PA
    Posts
    36

    94xp 657 bogs down after rebuild

    I'm trying to dial this XP in after having the engine rebuilt. Did a complete rebuild on the carbs, including N/S. Pop off was 21 psi. Low speed screws are set to 1 1/4 out. Everything on this is stock. It completely bogs down until it stalls if I give it some throttle. I made it 50 feet, it stalled, and I restarted to idle back to the dock. After I restarted I couldn't give it any gas without it wanting to again just bog down. I'll pull the carbs again to ensure everything looks good but I'm at a loss. What else can I check or where should I start?

  2. #2
    PWCToday.com Is My Home Away From Home bills86e's Avatar
    Join Date
    May 2008
    Location
    florida
    Posts
    3,254

    Re: 94xp 657 bogs down after rebuild

    Start by checking the compression, 150 is Good. Then check fuel routeing & flow. Do you have Old Gas? Then if no results you should check the RV wear & time. Then check the Pulse line for leaking
    as the carb mag fuel pump needs a good push/pull.



    Bills86e

  3. #3
    PWCToday Regular
    Join Date
    Aug 2016
    Location
    Illinois
    Age
    24
    Posts
    63

    Re: 94xp 657 bogs down after rebuild

    Compression
    Spark
    Fuel

    Engine needs those three things to run. Check them in that order. Does pulling the choke make it bog more or less? Have your pressure tested the fuel system or checked/replaced the fuel selector valve?
    Last edited by Hishman; 09-22-2017 at 10:34 PM.

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