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Thread: Rad 4 Coupler

  1. #1

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    Rad 4 Coupler

    Does anyone know the length and diameter the Rad 4 uses?

    And Im currently using the accordian boot with it. Works good so far.

    Is anyone else running the accordian besides me and Danny?


  2. #2
    Gus13letter's Avatar
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    Do not use the accordion boot. The problem that occurs is that as you accelerate it drags the seals back and forth on the shaft. Why are you using the accordion boot? It should have come with the coupler. The length is 3" and the diameter depends on what ski you have, either 2" or 2.25". In my sig I have more information and install info.

  3. #3

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    I got a RXP. Seems like a 2.5" coupler is what I have in front of me, thats a guess. I havent measured it that closely yet. I bought it used and wasnt sure if the length was modified.

  4. #4
    Moderator Snoman's Avatar
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    Why didnt you ask???Bonehead...

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    haha. I totally forgot about it. Busy morning. I wrote this post last night. Is the coupler you gave me the original one?

  6. #6
    Gus13letter's Avatar
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    Quote Originally Posted by Speed_Freak_039A View Post
    I got a RXP. Seems like a 2.5" coupler is what I have in front of me, thats a guess. I havent measured it that closely yet. I bought it used and wasnt sure if the length was modified.
    Should be 3 inch long and 2.25 ID.

  7. #7
    Moderator Snoman's Avatar
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    Quote Originally Posted by Speed_Freak_039A View Post
    haha. I totally forgot about it. Busy morning. I wrote this post last night. Is the coupler you gave me the original one?

    Yes...Hope everything turned out ok..LOL

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