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  1. #1
    RNX's Avatar
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    Riva or Rude Valve Train Upgrade Kit ?

    pros, cos?


  2. #2
    2006 Turbo RXP boBO's Avatar
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    As I know they are the same

    But Riva will include Rocker shaft bolt with it

    And the Rude will include valve seal

    I prefer Riva just my .02 cuz it will save almost 35$ for new rocker shaft bolts that Must change when upgrade valve train kit

  3. #3
    RNX's Avatar
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    Thanks for the answer, and what about valve seals? I heard that it's impossible to reuse them, when changing springs and retainers.

  4. #4
    2006 Turbo RXP boBO's Avatar
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    Valves seal are away from your work

    Your work is just remove the OE spring valve and add the upgrade valve you don't need to touch the seals unless if you want to change them

    I prefer this tool from Riva it make it very easy job no need to pull the engine head or even pay more $$$$ for engine head gasket
    http://www.4-tecperformance.com/inde...roducts_id=705

    How many hours on your ski?

  5. #5
    RNX's Avatar
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    Oh, thats nice then My ski has about 128 hours, 3 hours ago have changed timing chain and plain bearings stock ecu with b-kit sc, planning to go on rotax racing ecu

  6. #6
    2006 Turbo RXP boBO's Avatar
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    No need to change valve seals

    I wish you the best with your Ski

  7. #7
    RNX's Avatar
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    Thank You!

  8. #8
    David 1 FAST VE's Avatar
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    Maybe Nils will chime in but I think there is a reason for the new seals.
    I think it gives more clearance for high lift cams if I remember correctly??
    I think they are shorter than the stock ones?

  9. #9
    Moderator Snoman's Avatar
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    Quote Originally Posted by 1 FAST VE View Post
    I think it gives more clearance for high lift cams if I remember correctly??
    Correct..

  10. #10
    RXPRacer513's Avatar
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    Less Cooke retainers is the way to go

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