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  1. #1
    Jhubbs255's Avatar
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    WTB- ECU for 2010 rxpx 255 an spring/retainer kit

    I have a 137+4 and 50 lb injectors. Looking for an ecu to make it happen 8650 limiter or any other suggestions. Going to need the spring. And retainer to


  2. #2
    moparguy's Avatar
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    Maptuner X and go with the supertech kit from the GH store

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  4. #3
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by Jhubbs255 View Post
    I have a 137+4 and 50 lb injectors. Looking for an ecu to make it happen 8650 limiter or any other suggestions. Going to need the spring. And retainer to

    You will need the MaptunerX tuning bundle package, Supertech Spring and Retainer Kit and the Siemens 60 lb injectors. All on sale at discounted prices right here in the GreenHulk Store


    RIVA Maptuner X Tuning Bundle Pack for Sea Doo Skis

    The MaptunerX Bundle delivers instant plug-in horsepower! Quickly and easily load performance tunes into your watercraft, ATV or UTV eliminating the...
    RS110SC-B $1,019.85 $899.95
    12% discount


    60 # Siemens Fuel Injectors (set of 3)

    BRAND NEW SIEMENS 60LBS/HR FUEL INJECTORS. New generation, Design III fuel injectors All are available in flow-matched sets for easy tuning New 14mm...
    107961 Seadoo $200.70

    Supertech Sea-Doo Dual Valve Spring & Titanium Retainer Kit for 185/215/255/260/300 HP Engines

    These kits are made exclusively by Supertech for the Sea-Doo 4-Tec engines. Specifications: 85lb seat pressure Outer Spring OD: 26.60mm / ID: 19.60mm...
    Supertech Spring Kit $409.95 $349.95
    15% discount



  5. #4
    Jhubbs255's Avatar
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    The map tuners out of my range maybe I can find a used one but I don't have a grand to drop on a tune. The other stuff sounds good

  6. #5
    meeper's Avatar
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    Quote Originally Posted by Jhubbs255 View Post
    The map tuners out of my range maybe I can find a used one but I don't have a grand to drop on a tune. The other stuff sounds good
    you probly will not find an ecu cheaper than the maptuner, i dont even think Riva made an ECU for the X models. you spent so much money on the wrong parts first unfortunately

  7. #6
    Jhubbs255's Avatar
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    What should I have not bought? Haven't actually purchased the 50 injectors Wich I'm getting for 130.00 so other than that what parts were a waste all the parts listed in the sign are from previous owner

    But the map tuner will definitely be able to work with me current ecu?

  8. #7
    meeper's Avatar
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    Quote Originally Posted by Jhubbs255 View Post
    What should I have not bought? Haven't actually purchased the 50 injectors Wich I'm getting for 130.00 so other than that what parts were a waste all the parts listed in the sign are from previous owner

    But the map tuner will definitely be able to work with me current ecu?
    Yes, you need to start with the MAP tuner if funds are limited. Also i would recommend the VT11 injectors instead, Riva has off the shelf toon for ya.

    Stage 3 255 9000VT11
    https://rivaracing.com/files/Maptune...-9000-vt11.pdf


  9. #8
    Jhubbs255's Avatar
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    I'm going to be running a 137+4 not the stage 3 64..... If funds become available I'd do that but as of now they are not. I think I'm going to just have to send my ECU to get flashed with some injectors and my 137. I want to keep my RPMs under 8650 just for peace of mind. If anybody wants to rent me the map tuner then I could do that but I don't have $1,000 I only have about four to five hundred for that specific thing I also have to get a valve train upgrade and if I didn't have to get new gauges I could afford the maptuner new

  10. #9
    meeper's Avatar
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    Quote Originally Posted by Jhubbs255 View Post
    I'm going to be running a 137+4 not the stage 3 64..... If funds become available I'd do that but as of now they are not. I think I'm going to just have to send my ECU to get flashed with some injectors and my 137. I want to keep my RPMs under 8650 just for peace of mind. If anybody wants to rent me the map tuner then I could do that but I don't have $1,000 I only have about four to five hundred for that specific thing I also have to get a valve train upgrade and if I didn't have to get new gauges I could afford the maptuner new
    You can have Jesus set the RPM limit to whatever you want, you'll want the limit to 8800 if you want to see 8650

  11. #10
    Jhubbs255's Avatar
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    I hear about Jesus who is he?

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