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Thread: coupler info

  1. #1
    cheatin' piston popper addicted's Avatar
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    coupler info

    Does anyone know the OD of the old school engine coupler? What about thread info on the pump and engine side?

    I'm too lazy to pull mine apart

    Thanks!


  2. #2
    krispaintballz's Avatar
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    I have mine apart i can check just give me a day or so cause working too much. But i have some aftermarket bilit couplers. but shold hava a stick one laying around.
    thanks

  3. #3
    Moderator OsideBill's Avatar
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    The crankshaft side is the same as the 66V motor this I know, my fluid dampner fit either my 65U or 66V. The thread to the Intermediate shaft is also the same on the older GP's and 02 and up model GPR's . I can get some info for you later as well. OD of the dampner is 105mm

  4. #4
    cheatin' piston popper addicted's Avatar
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    Thanks Bill. That's what I needed to know. It appears that the OD of the 63m and 66v couplers is the same. I was hoping that the 63M was smaller.. . Oh well.

  5. #5
    ....back from the dead.... J-ME's Avatar
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    What about a kawi coupler? (if you want smaller)

  6. #6
    cheatin' piston popper addicted's Avatar
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    I do want smaller than the 66v coupler. Tell me about the kawi?

  7. #7
    cheatin' piston popper addicted's Avatar
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    and I still need your address j

  8. #8
    cheatin' piston popper addicted's Avatar
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    ok, i found out that r&d makes a coupler that is for Yamaha's, but is the size of, and uses the kawi damper. problem is that I need to know the OD before I drop the bux. I called r&D and the mother effer that answered the phone said how the hell should I know?

    so, anyone know the OD of the coupler or better yet, have one to sell me?

  9. #9
    cfgp927's Avatar
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    I had one for sale a while back, but it's long gone now....sorry
    M

  10. #10
    cheatin' piston popper addicted's Avatar
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    FYI, stock yamaha coupler is 105mm

    billet yamaha coupler with Kawi damper is 85mm.

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