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  1. #1
    abie_lah's Avatar
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    the best ligthen valve retainer

    wich one the best,, les cook,, riva,, or rotax racing??


  2. #2
    sp_RXP_GR's Avatar
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    My dear friend you run 95mph with 9500 rpm...
    you should tell us!!!!!!!!!!!!!!!!!!!

  3. #3
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    RIVA is the safest in my opinion!!!!

  4. #4
    michail's Avatar
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    They are high quality products all off them so the choice is yours!

  5. #5
    formerly Gold06RXP Turbo Nick's Avatar
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    I use the rotax racing retainers. Work fine for me

  6. #6
    R88ory RXP's Avatar
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    IMO The complete riva kit is best, it's properly engineered with uprated springs and is a complete solution.

    If you only want to change the retainer or you can only change them because of rules the Les Cooke's are best, they have been run upto 8800, not sure how long I would want to run that way on stock springs tho.

    R88

  7. #7
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by R88ory RXP View Post
    IMO The complete riva kit is best, it's properly engineered with uprated springs and is a complete solution.
    +1

    Quote Originally Posted by R88ory RXP View Post
    If you only want to change the retainer or you can only change them because of rules the Les Cooke's are best, they have been run upto 8800, not sure how long I would want to run that way on stock springs tho.

    R88
    Riva also has a retainer only kit that also comes with new rocker shaft bolts. The Riva retainers are titanium
    RIVA Sea-Doo Stock Valve Retainer Upgrade Kit [RS19050-SRU] - $329.95 : Zen Cart!, The Art of E-commerce

  8. #8
    REID2168's Avatar
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    any idea up to what RPM the RIVA retainer only upgrade is good for

  9. #9
    "Hustler" Inkaddict's Avatar
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    Quote Originally Posted by REID2168 View Post
    any idea up to what RPM the RIVA retainer only upgrade is good for
    Ask your JerZ cowboy buddy... I think he might have a good idea...

  10. #10
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by REID2168 View Post
    any idea up to what RPM the RIVA retainer only upgrade is good for
    I personally wouldn't run it over 8600, but just as Rory posted some have revved as high as 8800 with just retainers.

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