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  1. #1

    Join Date
    Sep 2007
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    pascagaoula, MS
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    2008 RXTX backfire? now high idle

    So attempted to go for a ride Friday after Thanksgiving to enjoy a south MS warm day. Stopped at the normal sandbar for around from the launch to check things out. When leaving sounded like it backfired trying to start tried again cranked up but something was not right. It was Idling right at 3000 rpm eased into the throttle seems like loss of power as well would only get to 5-6 rpm. I don't see any lights on the display. Was hoping for a bad plug but replacing them did not help. Did I lose the supercharger? It does have some mods which are below.
    Thanks

    Riva intake grate RS22055
    RIVA Sea-Doo 255/215 Power Filter Kit RS13050-06
    RIVA Sea-Doo O.P.A.S. Competition Kit RS29055
    RIVA Sea-Doo Pump Wedge, 2-degree/159mm RS23050
    RIVA Sea-Doo RXP/RXT 255/215 Pro-Series Reduction Nozzle RS23050-N
    RIVA Sea-Doo VTS Extension Rod RS23050-1-ER
    RIVA/Solas Sea-Doo SRX-CD-15/22R Impeller SRX-CD-15/22R

    RIVA SEA-DOO 260/255 INTAKE MANIFOLD UPGRADE KIT RS12080-IMUK
    BOSCH VT1100 FUEL INJECTOR KIT VT1100-INJK
    RIVA SEA-DOO 255/260 XX-2 CHARGER RS17080-SCI-XX2
    RIVA REAR EXHAUST KIT FOR SEADOO RXP / RXT RS15050-1
    RIVA SEA-DOO 255HP OEM INTERCOOLER UPGRADE KIT RS17080-ICUK
    RIVA SEA-DOO 230/255/260 GEN-3 POWER COOLER RS1752-PC-I
    RIVA SEA-DOO PRO-SERIES BLOW-OFF VALVE KIT RS17081-BOV-SSQV
    RIVA SEADOO 4-TEC THERMOSTAT KIT RS1015
    RIVA SEA-DOO 4-TEC PRO-SERIES SPONSONS RS26050

  2. #2
    Mod less, ride more! troyheb's Avatar
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    Jul 2007
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    Nederland, Texas
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    If it did in fact backfire, then you may have damaged your throttle body or the blow off valve or maybe blew off a SC or IC hose.

  3. #3
    SplishSplash's Avatar
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    May 2006
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    Belle River Ont Canada
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    Maybe the intake manifold cracked if it backfired. May have split it along the seam.


  4. #4

    Join Date
    Sep 2012
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    broken arrow ok
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    High idle indicates vacuum leak...

  5. #5
    It got WIFI and touchscreen ! PWCGUY's Avatar
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    Quote Originally Posted by SplishSplash View Post
    Maybe the intake manifold cracked if it backfired. May have split it along the seam.
    I had this happen many times and typical the intake manifold splits open at the seam.

  6. #6

    Join Date
    Sep 2007
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    pascagaoula, MS
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    thanks I will research out to check that out the intake manifold.

  7. #7
    Site Admin Green Hulk's Avatar
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    Apr 2005
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    Morgan City, LA
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    Your intake manifold is busted at the seam.... 100%

    This part prevents that from happening



    RIVA Sea-Doo Intake Manifold Girdle

    RS12050-IMG
    NEW Sea-Doo 4-tec Intake manifold Girdle kit provides added strength to the Sea-Doo intake manifolds. The Bracket clamps around the side of the manifold easily without drilling or grinding of the stock manifold providing extra support to the join in the manifold that splits under higher boost pressu...
    $180.00
    Add To Cart

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