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  1. #1
    Water4fire's Avatar
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    Anyone use Les cook's Retainers?

    I was told they will be perfect with 8600rpm's with stock valve train. I am somewhat on a maditory build and budget so this seams to be a good way to go.
    Any input and price?

    http://seadoocentre.com/enginemodifications.htm

    Thanks a bunch!


  2. #2
    CC Racer kenshin89's Avatar
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    I have them on my X with a 8600 rev limiter. The price I got back in the spring was $299AUD + shipping which is about $207 USD and shipping will probably be around $100 probably less, but you'd have to check with them.

  3. #3
    speedskixp's Avatar
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    How long do they last?

  4. #4
    Water4fire's Avatar
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    I like it. You just add them to a stock valve train and you are safe to 8600rpm's?


    .

  5. #5
    CC Racer kenshin89's Avatar
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    Quote Originally Posted by speedskixp View Post
    How long do they last?
    I've put about 45 hours on them with racing and havent had a problem yet. From a racing stand point it was the way to go since the Riva valvetrain isnt legal in limited class because the springs has to remain OEM and the only other choice was the RR retainers.

  6. #6
    Water4fire,

    Why not just add $200 more and get the Riva Valvetrain?
    He is racing, buoy to buoy thats short distance.
    You will be going longer distance. ( The springs may have problems then)

    Roger

  7. #7
    JPR's Avatar
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    i have had them for 80+ hrs spinning 8500 with no prob at all. Les makes some top quality cool sh!t.

  8. #8
    ROTAX RACING performance
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    Quote Originally Posted by Roger H View Post
    Water4fire,

    Why not just add $200 more and get the Riva Valvetrain?
    He is racing, buoy to buoy thats short distance.
    You will be going longer distance. ( The springs may have problems then)

    Roger
    in stock class that 45 h is 90% WOT, with getting unhooked at WOT, how do you think you put more load on the valvetrain in rec riding ???

  9. #9
    West Texas RXP skoepp's Avatar
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    Are you guys running stock valves with the setup? And is on stock head or has it had some work done to it?

  10. #10
    i would like to have a set i would still put the rr valve spring shim with them like i have with the rr valve spring retainers the rr set up is said 2 have 10 hp more than riva's with less cook retainers being lighter than the rr the hp should b better yet

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