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  1. #1

    cavatation NEED HELP PLEASE!

    06 RXP STAGE II 140 hrs
    First of all, I have changed everything and this sob! still rides tha rev limiter out of tha hole! I am out of ideas other than maybe changing tha pump bearing (any special tools for that?), taking tha pump off and resealing it w/ some loctite 5900. impellor got repitched and reworked by impros, new supercharger, SS wearing looks good, new pump cone and orings, bought tha riva pro series pump nozzle w/ rings and that didnt help and tha longer u ride it tha worse it gets!!!! If anyone has any other suggestions, please comment


  2. #2
    2006 Turbo RXP boBO's Avatar
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    Change the carbon ring and the bellow

  3. #3
    Quote Originally Posted by boBO View Post
    Change the carbon ring and the bellow
    already done it didnt help at all

  4. #4
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    Quote Originally Posted by chewie81 View Post
    06 RXP STAGE II 140 hrs
    First of all, I have changed everything and this sob! still rides tha rev limiter out of tha hole! I am out of ideas other than maybe changing tha pump bearing (any special tools for that?), taking tha pump off and resealing it w/ some loctite 5900. impellor got repitched and reworked by impros, new supercharger, SS wearing looks good, new pump cone and orings, bought tha riva pro series pump nozzle w/ rings and that didnt help and tha longer u ride it tha worse it gets!!!! If anyone has any other suggestions, please comment
    Did you check your accoridian boat and carbon seal very well? Does it go away after holeshot? or does it act like a slipping clutch? It can only be acouple of things; wear ring/impeller clearance, Accoridian boot/carbon seal, bad seal around pump shoe...

    Somehow someway air is getting into your pump system..

  5. #5
    Quote Originally Posted by Alex13 View Post
    Did you check your accoridian boat and carbon seal very well? Does it go away after holeshot? or does it act like a slipping clutch? It can only be acouple of things; wear ring/impeller clearance, Accoridian boot/carbon seal, bad seal around pump shoe...
    runs perfect after it starts going pulls hard in tha midrange and fast on top end its just tha blast off part u can start out by giving it a little throttle then punch it and it works better that way but not from a dead stop

  6. #6

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    Quote Originally Posted by chewie81 View Post
    runs perfect after it starts going pulls hard in tha midrange and fast on top end its just tha blast off part u can start out by giving it a little throttle then punch it and it works better that way but not from a dead stop
    what machine have you got and what are your mods?

  7. #7
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    Quote Originally Posted by chewie81 View Post
    runs perfect after it starts going pulls hard in tha midrange and fast on top end its just tha blast off part u can start out by giving it a little throttle then punch it and it works better that way but not from a dead stop
    are you running a four blade impeller?

  8. #8
    Quote Originally Posted by jetskibill9999 View Post
    what machine have you got and what are your mods?
    06 RXP riva stg 2 w/ pro series pump nozzle 140 hrs

  9. #9
    Quote Originally Posted by Alex13 View Post
    are you running a four blade impeller?
    yeah had it sent off to impros to be repitched to 15/20 last summer no gaps and it still fits perfect in tha wear ring

  10. #10
    Quote Originally Posted by chewie81 View Post
    yeah had it sent off to impros to be repitched to 15/20 last summer no gaps and it still fits perfect in tha wear ring
    could it possibly be a bad pump bearing i havent changed it yet inoticed a little play when u grab tha drive shaft and pull up and down on it from under tha ski where it goes into tha impellor

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