Gsxl rossier 951 wont rev - Page 2
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  1. #11
    PWCToday.com Is My Home Away From Home Matt Braley's Avatar
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    Re: Gsxl rossier 951 wont rev

    How is this ski running now?

  2. #12
    PWCToday Regular scensor's Avatar
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    Re: Gsxl rossier 951 wont rev

    Ski is running strong 7250-7300 all day, and it rip hands

  3. #13
    PWCToday.com Is My Home Away From Home Matt Braley's Avatar
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    Re: Gsxl rossier 951 wont rev

    Good to hear. I have the Coffman curve MPEM from Novi and wasn't sure if it would be good for the Rossier pipe. Is that the curve you ended up going with?

  4. #14
    PWCToday Regular scensor's Avatar
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    Re: Gsxl rossier 951 wont rev

    IMG_6011.JPG
    No haven't used tim's mpem since he send it back. I only measured it and the timing is really aggressive. I plan on swapping electronics during December to try it out.
    At the moment I use a novi twin coil mpem programmed for twins. Less timing than the Coffman curve, not a big difference. But it will improve my ski.
    Yesterday readings 72.1mph with a coffmans on it. I have been testing my pipes see the differences on same set up Mat. Also do you know how to wire an lcd gauge to an xpl twin coil mpem.
    I had a friend done it for me and worked for 6 months only vts, fuel and rpm was working and after 6 months gauge says seadoo only or haule.
    I tried to test another gauge but it wont power up.
    Any tips would help a lot :P

  5. #15
    PWCToday.com Is My Home Away From Home Matt Braley's Avatar
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    Re: Gsxl rossier 951 wont rev

    72.1 is really fast. what was the top speed with the Rossier pipe?

    All gauges should be powered by the purple wire and good ground. Make sure there is 12v on the purple wire. Hit the start/stop button without the DESS key on and it should have power on the purple wire for about 30 seconds.

  6. #16
    PWCToday Regular scensor's Avatar
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    Re: Gsxl rossier 951 wont rev

    Well best I've seen with rosier is 69,8 but it hits harder than any other pipe I use on my triple port.
    Bottom mid range is insane. But I always end up 150 rpm less than coffmans and so there is the mileage difference.
    My mpem is a twin coil mpem regarding the black-purple. Only the one gauge works any other I plug in it doesn't start. I used the same gauges on rx or gsxl and they do work,


    I have videos of twin pipes, rosier and coffmans on facebook.
    I ll try to upload them on youtube so you can see here as well.

  7. #17
    PWCToday.com Is My Home Away From Home Matt Braley's Avatar
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    Re: Gsxl rossier 951 wont rev

    OK thank you.

  8. #18
    PWCToday Regular DanSquires's Avatar
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    Re: Gsxl rossier 951 wont rev

    Quote Originally Posted by scensor View Post
    IMG_6011.JPG
    No haven't used tim's mpem since he send it back. I only measured it and the timing is really aggressive. I plan on swapping electronics during December to try it out.
    At the moment I use a novi twin coil mpem programmed for twins. Less timing than the Coffman curve, not a big difference. But it will improve my ski.
    Yesterday readings 72.1mph with a coffmans on it. I have been testing my pipes see the differences on same set up Mat. Also do you know how to wire an lcd gauge to an xpl twin coil mpem.
    I had a friend done it for me and worked for 6 months only vts, fuel and rpm was working and after 6 months gauge says seadoo only or haule.
    I tried to test another gauge but it wont power up.
    Any tips would help a lot :P




    That is hauling

  9. #19
    PWCToday Regular scensor's Avatar
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    Re: Gsxl rossier 951 wont rev


  10. #20
    PWCToday.com Is My Home Away From Home Matt Braley's Avatar
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    Re: Gsxl rossier 951 wont rev

    WOW! I'm guessing you won since I never saw another ski. The XPL is running great and you kept it pinned all the way to the end. Great job all the way around. Looks like those 4-strokes learned 2>3 or even 4.

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