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  1. #1
    performance enthusiast AD4342's Avatar
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    Question Who is using ROTAX two piece coupled driveshaft?

    Is anyone using the ROTAX two piece coupled driveshaft ? You think its a good investment over the drive shaft seal?


  2. #2
    rxpdoo's Avatar
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    rr driveshaft/coupler

    i am using the rr driveshaft/coupler. it provides a superior tunnel seal compaired to the stock setup, however the splines on the impeller side are smaller in diameter so you cannot use a 4 blade or other rxp prob.

  3. #3
    King_Of_Fun's Avatar
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    So, you have to use a 155-mm impeller like what's in a 185-hp ski?... Ron

  4. #4
    rxpdoo's Avatar
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    rr driveshaft/coupler

    yes but you can have the outside impeller welded to fit the 159 mm stock pump.

  5. #5
    performance enthusiast AD4342's Avatar
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    rxpdoo, thanks for sharing your experience. I sank my rxp yesterday from failure of carbon seal and i want solve this issue once and for all .

  6. #6

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    How much are these things going for now?

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