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  1. #1

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    help with mods : 2006 rxp : x charger with et 137 wheel/spacer on the way

    So after the supercharger failure on my 2 month new to me seadoo, I'm forced to upgrade it a year ahead of schedule.

    I'm buying a X charger with ET 137 wheel/spacer from another member of the board.

    I'd like to have a reliable(but fast) setup for the rest of year and next, and then maybe add some more then.

    Money is tight.

    What would be the minimum I would need to get the ski running well? I've read through some of the threads, and there seems to be some conflicting information regarding what size injectors to get, and whether or not a rrfpr is necessary. I'm running a stock rxp ecu.

    I'm also getting a RIVA through hull outlet w/blockoff. Do I just have to find a pipe (rubber/aluminum/stainless?)that will run from the waterbox to the throughhull? What temps do I have to worry about?

    Got myself into this bind by not asking enough questions before working on my Scer, so I'm hoping to get all the advice I can.

    Thanks.


  2. #2
    h2jim's Avatar
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    To run the ET 137 you will need 48lb injectors and a RRFPR. You will also need to be able to monitor you afr's.

  3. #3
    mac_man_luke's Avatar
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    most likely want an external intercooler with that much boost as well.

  4. #4
    h2jim's Avatar
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    Quote Originally Posted by mac_man_luke View Post
    most likely want an external intercooler with that much boost as well.
    +1

  5. #5

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    so 48 lbs injectors - likely bosch will be first on the list
    rrfpr - either DIY or buy from greenhulk

    is there any special install guide for those?

    Is there a link to AFR gauge that works well for this application?

    (sorry, I've searched, and not found the answer)

    I know intercooler would be good, but can that wait for next upgrade?

  6. #6
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by speeder View Post
    so 48 lbs injectors - likely bosch will be first on the list
    rrfpr - either DIY or buy from greenhulk

    is there any special install guide for those?
    very easy to install.
    you can find instructions under Riva's instructions help in the :how to section: stickyIs there a link to AFR gauge that works well for this application?
    inovative tuners makes the best applications for our skis.(sorry, I've searched, and not found the answer)

    I know intercooler would be good, but can that wait for next upgrade?
    It can if you have RRFPR and AFR metter.

  7. #7

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    I looked on the innovate website for the AFR meter.

    they have many options, but looks like MTX-L is the best one. What do you guys think?

  8. #8
    monaroman76's Avatar
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    Quote Originally Posted by speeder View Post
    I looked on the innovate website for the AFR meter.

    they have many options, but looks like MTX-L is the best one. What do you guys think?
    I went with the LC-1. Its the same one many are using and its fairly cheap.

  9. #9

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    If I understand correctly, with the LC-1, you are not able to monitor AFR while you ride. It needs to be plugged into something, is that right?

    If so, is there any need to monitor afr while you ride?

  10. #10
    Swedish Viking Craigo's Avatar
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    Quote Originally Posted by speeder View Post
    If so, is there any need to monitor afr while you ride?
    You want to find out what your AFRs are at WOT primarily. There is only one way to find out what your engine's air/fuel ratio is at WOT. Get the MTX-L.

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