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  1. #1

    Feedback on the rotax racing 4948 pump ?

    Any real feedback on the rr 160mm pump for the stock driveshaft ?


  2. #2

  3. #3
    Site Admin Green Hulk's Avatar
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    Your not going to find a lot of people here that have them, but I have quite a few clients overseas that run them and they all love them. It's nearly impossible to cavitate with this pump and hook up and acceleration are unbeatable.

    I use this same pump, only the Yamaha version on my turbo FZR. It's a very good pump.

  4. #4
    home of the dislexic fingers breon's Avatar
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    i know you have to have alot of power to run it..custom props ect..very few here are that hardcore ..to spend 3500 on a pump..even though they are the heart of our skis it is just a ton of $$ i have ask the same question..and got no real feed back

  5. #5
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by breon View Post
    i know you have to have alot of power to run it..custom props ect..very few here are that hardcore ..to spend 3500 on a pump..even though they are the heart of our skis it is just a ton of $$ i have ask the same question..and got no real feed back
    They're actually $2888, but I get your point. It's still a lot of money
    http://www.4-tecperformance.com/inde...roducts_id=886

  6. #6
    home of the dislexic fingers breon's Avatar
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    we posted at the same time..

    + a prop ...ya it is alot.. ..but i may still end up with one eventually ..is there a good selection of props avalible? or do i have to just pitch the one...

  7. #7
    How is it in top speed compered to a oem pump ? it it true that the more vanes you use the less top speed ?

  8. #8
    Eastside Powersports Slow 91's Avatar
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    Quote Originally Posted by Green Hulk View Post
    I use this same pump, only the Yamaha version on my turbo FZR. It's a very good pump.
    which pump is that?

  9. #9
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by breon View Post
    we posted at the same time..

    + a prop ...ya it is alot.. ..but i may still end up with one eventually ..is there a good selection of props avalible? or do i have to just pitch the one...
    There's a huge selection of props. Name your pitch and I get it done for you. No problem!

    ---------- Post added at 02:50 PM ---------- Previous post was at 02:48 PM ----------

    Quote Originally Posted by rjr View Post
    How is it in top speed compered to a oem pump ? it it true that the more vanes you use the less top speed ?
    Traditionally this has held true with the Skat Magnum pumps, but this one acts differently. Most people report a speed gain.
    In fact, Dean Charrier was using a seadoo pump conversion on his VXR and tried the Rotax Racing Yamaha pump and gained nearly 4 mph. Info in this thread http://www.greenhulk.net/forums/show...-Pro-VXR-build

    ---------- Post added at 02:51 PM ---------- Previous post was at 02:50 PM ----------

    Quote Originally Posted by Slow 91 View Post
    which pump is that?
    This is the pump I'm using. It's a direct bolt in replacement for the OEM Yamaha pumps
    http://www.4-tecperformance.com/inde...oducts_id=1473

  10. #10
    Can you fitt the solas 4 blades in the rr pump for the oem driveshaft ?

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