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  1. #1
    Mongoose's Avatar
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    Is R&D's large hub cone costing me rpms?

    Title says it all really.
    it's a 05 with full Riva stage 1 (Bought it that way), and large hub aftermrket R&D cone.
    Waiting for a digital tach to turn up, but as the pump assembly is out being blueprinted and abit of extra grinding on the plate, is it worth leaving it on, or sticking the oem back on?
    I seem to remenber the large cone back in the days of my1200R pulled the rpm's down, just wondered with the new hub design and more power, should it stay on?
    Thanks


  2. #2
    Hydrotherapy's Avatar
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    some report results with it fitted to the ho pumps...you gotta test out yourself as i may give a few rpm's on top,

    great buy simon hope you have many many hours of fun..

  3. #3
    Mongoose's Avatar
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    Quote Originally Posted by Hydrotherapy View Post
    some report results with it fitted to the ho pumps...you gotta test out yourself as i may give a few rpm's on top,

    great buy simon hope you have many many hours of fun..
    Cheers Paul,
    Just thought I would ask, as the bloody thing is apart now, and it would be a hell of a lot easier when it's on the bench.
    As your sig says-I might not see flat water for 6 months!

  4. #4
    Hydrotherapy's Avatar
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    Quote Originally Posted by Mongoose View Post
    Cheers Paul,
    Just thought I would ask, as the bloody thing is apart now, and it would be a hell of a lot easier when it's on the bench.
    As your sig says-I might not see flat water for 6 months!
    give it a try and post results,i for one would love to see them

  5. #5
    I've got the R&D hub cone on order so I will get back to everyone with back to back test results.

  6. #6
    Mongoose's Avatar
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    Quote Originally Posted by treemoney View Post
    I've got the R&D hub cone on order so I will get back to everyone with back to back test results.
    It would be great if you could do a back to back test.
    Thanks.

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