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  1. #1
    Gus13letter's Avatar
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    ECU upgrade options

    Ok, so I have been contimplating the ECU upgrade. I know, I know I said I was done, but this is the next step to getting me to 81+.

    I know this has been discussed before, but ECU does not come up in the search. What ECU upgrade options are available and what are thier differences? Riva, Rotax, Reflash (no longer available in the store ).


  2. #2
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    You just can't stop

  3. #3
    Having Fun jp1300r's Avatar
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    RIVA or Les Cooke reflash. Rotax ECU cost more and can't be reset at a SeaDoo dealer.

  4. #4
    Dirty Sanchez's Avatar
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    I have an 8650 Les cooke for an 2006 rxt / rxp still availible. requires valve upgrade, 42 lbs injectors and any inner cooler. I just bought a stock ecu so no core required. Ready to ship. No wait. Sending your ecu to the west coast or AUS takes time and $$ in shipping let me know bro!

  5. #5
    Richieb's Avatar
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    I have not had a good play with the LC, but as far as versatility goes, doo the Riva one, it is well thought out, with proviso for future changes.

    The LC one is supposedly better for CC applications, whereas the RIVA one is a damn good all-rounder.

    I really cannot compare the two with any kind of solid info.

    I will see how well the Riva one goes next season in CC, but remember there is a lot in setting-up the ski, much more than just the ECU.

    The Rotax one is designed for racing, and the environment it is "Normally" run in. It does not have a knock sensor input functioning like we are used to that protects our engine. It relies on finance that racing has. Hence no DESS security etc.

  6. #6
    Gus13letter's Avatar
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    Thanks for the input so far.
    I am just a rec rider, but do drag race for fun on the weekends with the ones we ride with. My riding style is almost always in the ocean from calm water to 3 foot waves typically doing long wide open runs. I also do flat water drag racing so I need something that is good all around. I have the valve train upgrade kit already lined up so I just need to get the ECU and injectors to match the ECU.

    So far I am at stage 3 with Rude1 setup minus the ECU and valve train upgrade. I know some locals that have my setup with ECU and valvetrain and are running 81+ on thier RXT's.

  7. #7
    Having Fun jp1300r's Avatar
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    I think the RIVA ecu is the best all around too. I just got my hands on a Les Cooke reflash first or I would have gotten a RIVA. Also, the Les Cooke was suppose to be okay with 60lb injectors, but it wasn't. The RIVA is just about plug N play. I would still check my AFRs with any ECU change.

  8. #8
    Richieb's Avatar
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    Sounds like the Riva pro is the ticket then.

    Careful playing will pull you 81+ for sure.

    Change the cam to the 04 one, 29.

    Hooligan..!! We don't drag race here in Sydney... it VEEEERY naughty..!!, we bimble around in the river smiling nicely to stop our wrists being slapped, in fact we got banned from going in the Harbour Bridge area because we caused problems getting in the way of fast moving taxis and ferrys..
    Last edited by Richieb; 06-27-2009 at 08:18 PM. Reason: having a jibe ..!!

  9. #9
    Gus13letter's Avatar
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    So any one have a 2006 Riva ECU for sale - please send me a PM?

  10. #10
    mrbtd's Avatar
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    Why not just throw more boost @ it rather than an ECU upgrade?

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