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  1. #1
    Ale's Avatar
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    RIVA or any aftermarket water-box ... worth the money ?

    hi everyone....

    Riva or other brands racing waterbox....
    worth the money?

    or not... ?

    your experience?

    also mod the oem one...


  2. #2
    Tried both a modified OEM and RIVA.If it is worth it would be a complete matter of opinion. There will be a slight increase in bottom end exhaust note will also change but there will be no measurable difference in top speed.I would say no it is not worth it but I use one anyway

  3. #3
    Ale's Avatar
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    I just installed riva water box yesterday on a friend's rxp-x...
    and he gained 1.5 mph and a faster trhrottle response...
    but... maybe yamaha is different.

  4. #4
    Quote Originally Posted by FXSlowKroozer View Post
    Tried both a modified OEM and RIVA.If it is worth it would be a complete matter of opinion. There will be a slight increase in bottom end exhaust note will also change but there will be no measurable difference in top speed.I would say no it is not worth it but I use one anyway
    Yep, I didn't see top end increase when I had one either. The throttle response was slightly better. Exhaust note with a rear exit is totally worth it..


  5. #5
    Kristian Keppel Waterholics's Avatar
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    From my experiences with waterboxes the more modifications that you have especially cams the more the waterbox makes a difference. With lots of mods and running high rpm's I would recommend a waterbox as it won;t give you much mph gain but the bottom end punch is definitely there. I'm reffering to an aftermarket waterbox such as RIVA or TDR waterbox.
    Last edited by Waterholics; 11-26-2014 at 05:42 PM.

  6. #6
    abracadabra's Avatar
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    I have had Riva water boxes paired with Riva rear exhaust in all last four yamaha's and I do it just for the sound!!!

    Didn't know R&D made a water box, Julio...
    Last edited by abracadabra; 11-27-2014 at 12:11 PM.

  7. #7
    mun802's Avatar
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    I fitted the TDR waterbox and it put me on the limiter. This was originally with no other mods at the time so it must be good for some rpm. Also cleared up the hull a little as it was smaller than the stock one.

  8. #8
    Quote Originally Posted by mun802 View Post
    I fitted the TDR waterbox and it put me on the limiter. This was originally with no other mods at the time so it must be good for some rpm. Also cleared up the hull a little as it was smaller than the stock one.
    Tdr boxes are smaller than the Riva box.. Maybe different

  9. #9
    mun802's Avatar
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    Quote Originally Posted by Jmfmk3 View Post
    Quote Originally Posted by mun802 View Post
    I fitted the TDR waterbox and it put me on the limiter. This was originally with no other mods at the time so it must be good for some rpm. Also cleared up the hull a little as it was smaller than the stock one.
    Tdr boxes are smaller than the Riva box.. Maybe different
    I will post some comparison pictures later today.

    Thanks

  10. #10
    Ale's Avatar
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    Thank you all...

    so I think....

    Riva waterbox ... is good for sound, and good for a very little power increase. no top speed but a little more acceleration and power in the low and middle rpm

    Tdr seems good for more rpm = more power at wot = more speed.

    like for other modifications... every ski is different and everyone have different mods on his ski.


    but... which is the best?

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