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Thread: ECU Removal

  1. #1

    ECU Removal

    There are the two wire harnesses that plug into the ECU. How am I supposed to remove them? Do I just pull up on them or is there some special way to remove them? I am assuming that they just plug in. Just trying to be cautious, because I don't want to remove them the incorrect way and then end up with a broken part(s).


  2. #2
    Site Admin Green Hulk's Avatar
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    There is a slide on each connector. Slide them from the front of the ski to the rear of the ski and the connector will lift up.

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    oklagp1200r's Avatar
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    I would disconnect the battery first!

  4. #4
    Thanks for the tips!

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    Will work on YOUR ski for FREE! GeoRXT's Avatar
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    Now that your on the topic...What else needs to be done to a newly installed RR ECU....Or just slap on and thats it?

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    Site Admin Green Hulk's Avatar
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    If its new there is a power up proceedure to follow. If its used just slap it on.

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    Will work on YOUR ski for FREE! GeoRXT's Avatar
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    Quote Originally Posted by Green Hulk View Post
    If its new there is a power up proceedure to follow. If its used just slap it on.
    Used, from Ray. Is there really a need to adjust timing on the cam sprocket or so? I read something like that just recently. Its a 4503

  8. #8
    Site Admin Green Hulk's Avatar
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    Yes, you have to retard the cam timing all the way with the stock class ECU.

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    Will work on YOUR ski for FREE! GeoRXT's Avatar
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    Ohhh....sorry to bother but, any instructions on that around here?

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    Quote Originally Posted by GeoRXT View Post
    Used, from Ray. Is there really a need to adjust timing on the cam sprocket or so? I read something like that just recently. Its a 4503
    Geo, the ECU that i sold you is the stock class (4502) model NOT the new race version (4503), sorry i couln't find the instruccions but i remember they said that was a must to retard the cam timing. Don't forget to upgrade your valve train before
    you put this aftermarket ECU to your RXT, remember this is the early version with the more agresive 8500 rpms rev limit settings (not the new version with the lower 8350 rev limit settings).

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