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  1. #1
    Nonstop, all day, everyday. 01xdime's Avatar
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    UMI/aftermarket finger throttle issue.

    I was expecting this to be an issue but i'm not sure how to fix it. I just installed my UMI bars and i'm using a TBM ball bearing finger throttle. When all the slack is adjusted out of the throttle cable i can only get about 85-90% throttle. I'm wondering if it's going to be possible to bend the lever in order to make it pull WOT without breaking it. This TBM finger throttle is pretty high dollar and i'm pretty sure i'd cry if i snapped it.


  2. #2
    MIARider's Avatar
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    just checking but did you twist the little adjustment plastic thing on near the throttle body side ? that helps tale away some slack. You can also bend the litle bracket a bit, where the throttle cable is held near the t. body.

  3. #3
    Site Admin Green Hulk's Avatar
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    This pic may help you
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  4. #4
    Nonstop, all day, everyday. 01xdime's Avatar
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    I already adjusted all of the slack out with the adjustment at the TB. If i adjust it anymore the ski will idle at 3,000 rpms. There's no slack but when i pull the lever all the way to the bar i still don't get 100% open throttle.

  5. #5
    Vern's Avatar
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    Dime, any chance you can grind down the lever where it meets its 'bed' so to speak, or grind down where the lever comes to rest to give it more range, then re-adjust on the motor?

  6. #6
    xenonx's Avatar
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    Your lever may not have the proper pull ratio.
    You may be able to add material to the beginning of the lever ramp to increase the pull ratio.
    Try soldering the material to the begining of the ramp on the lever.
    You can smooth out the added material for linear motion.

  7. #7
    2 Fast 4 U RXP Blur's Avatar
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    with the money you spent this shouldnt be an issue!!

  8. #8
    Nonstop, all day, everyday. 01xdime's Avatar
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    Quote Originally Posted by Sticky Thread View Post
    with the money you spent this shouldnt be an issue!!
    This isn't a seadoo specific piece and i've heard of people having this issue with UMI and other billet pieces as well.

  9. #9
    Water4fire's Avatar
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    Yes, My UMI throttle does not work properly on my RXP. I had to go to a KVPI throttle lever. I have seen people on the forum place a piece of metal under the cable changeing the levers pull ratio. I believe they soldiered it there.

    .

  10. #10
    xenonx's Avatar
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    Yep....just add some material by soldering at the beginning of the ramp. After soldering, you can sand a small groove back into the added material so the cable does not move out of the groove. This will take up the slack at the beginning of the throttle pull...and give you 100% throttle. Adjust as necessary.

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