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Ecu options for 185 specific to 2006 model year

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  • Ecu options for 185 specific to 2006 model year

    Hi,

    I did a search on this but got more questions than answers. It appears i have a problem child ecu on my 06 GTX 185. My question is can i run a 2006 215 ecu with a 185 engine??.

    I dont want to fork out for a brand new ecu and its a lot easier to find a second hand 215 ecu than 185 one of the same year.

    Its my understanding that in 2006 Seadoo used a different ecu that worked with a different wiring loom and gauge cluster. As such i need to have a 2006 ecu. My dealer told me that a 215 ecu wouldnt work but i have my doubts hearing about some of the earlier models getting away with it.

    Does anyone have a 06 185 gtx running a different ecu??? Or is there anyone that could share some light on this??

    Cheers.

    Pete.
    2010 Seadoo RXTX 260. SJL turbo kit. Garret GTX2863R. V Tech tuning and data logging. VT 1100 injectors. Pre 07 gutted waterbox. Riva rear exhaust. Gen3 I/C. Speedfreaks I/C relocation kit. Lightened factory flyweel. Supertech valve springs & retainers. ARP flywheel bolts. 11+ driveshaft. Solas 15/24.5. Walbro 255 F/pump. Riva fuel reg. Currently 80 mph at 8300 rpm.....still tuning.

    2006 Seadoo GTX 185 with X Charger. 70 mph at 8000rpm.

  • #2
    I have done what you are thining about doing. First--the ECU. The 2006 year model ECUs are year specific. A 2006 215 hp ECU will work on your boat. The dealer will just have to marry it to your boat/throttle body with his BUDDS system. Next--the supercharger. Your 185hp supercharger has 17 teeth on the gear. The 215hp supercharger has 16 teeth on the gear. To have the 215 hp supercharger work on your ski you will have to change the flywheel gear to a 215hp flywheel gear. (then you can the use any upgraded supercharger--ET-Rude-Riva xxx--etc.)You are then good to go. On my wife's 2006 GTX I have made the following mods--X-charger--2006 215hp ECU--42# injectors--Riva RXP rear air kit--85mm nozzel. On a cool day and smooth water the ski will break 71 MPH at 8120 RPM.

    P.S. To change the flywheel gear you will have to pull the motor. Good luck on your venture.
    2018 RXTX

    2012 Wake 155

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    • #3
      To add to Ray's wife's boat above!/
      You will need to find a RXP or RXT fuel pressure reg. as the 185s use a lower pressure reg.
      They can be found cheap in the classifieds.

      Also if you do not want to change your flaywheel you can just drop in a et 127mm drop in and monitor boost and afr to tune it in.
      As the drop in wheels will add boost without having to change the flywheel, but you would need to see were it ends up.
      sigpicDon't sweat the small stuff. Be happy! Ride on!

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      • #4
        Thanks guys, i didnt intend to go that that far but i am having trouble finding a replacement ecu and just wanted confirmation that an 06 215 ecu will run my 185. Cheers. Pete.
        2010 Seadoo RXTX 260. SJL turbo kit. Garret GTX2863R. V Tech tuning and data logging. VT 1100 injectors. Pre 07 gutted waterbox. Riva rear exhaust. Gen3 I/C. Speedfreaks I/C relocation kit. Lightened factory flyweel. Supertech valve springs & retainers. ARP flywheel bolts. 11+ driveshaft. Solas 15/24.5. Walbro 255 F/pump. Riva fuel reg. Currently 80 mph at 8300 rpm.....still tuning.

        2006 Seadoo GTX 185 with X Charger. 70 mph at 8000rpm.

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        • #5
          Originally posted by Pete1027 View Post
          Thanks guys, i didnt intend to go that that far but i am having trouble finding a replacement ecu and just wanted confirmation that an 06 215 ecu will run my 185. Cheers. Pete.
          Yes, just replace fuel reg. on top of gas tank to a rxt rxp reg.
          sigpicDon't sweat the small stuff. Be happy! Ride on!

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          • #6
            I have the entire FPR, rail injectors and hose still assembled. $110 shipped. You want? I was going to use it to bludgeon my neighbor for bitching every time I make a noise in MY garage
            Last edited by imp0ster; 03-29-2013, 09:19 AM.
            05 RXT/T-X Pump Line - Sold to a forum member!

            19 T-X

            '95 Custom Monterey 225 SCR Open Bow COMPOSITE BEAST

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