SBT Jetski Engines, Parts & Accessories

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  1. #1
    Joined
    Jun 2005
    From
    Virginia Beach
    Posts
    9

    Default Rotary Valve Timing

    I'm sure everyone is getting tired of the same old question, but my ski is a little different. I have a 92 SP, but the previous owner replaced the engine with a 95 657, twin carbs and stainless steel prop. I just recently replaced the engine with the same size from STB. I've heard it is not the engine but the model that ditates the valve timing. With a complete seperate setup, I don't understand what the model has anything to do with it. My rotary valve cover number is 810 038, if that helps. I'm confused between 130 or 147?

  2. #2
    Joined
    Aug 2001
    From
    Las Vegas, Nevada
    Posts
    1,220

    Default Re: Rotary Valve Timing

    It IS the engine, in your particular case. Set the valve to the specs for your engine, not the model.
    John Kubiak
    Powersports Technical Training Professional
    Las Vegas, Nevada
    Sea-Doo Tech 13736
    PWC Tech since 1988 (22 years)
    PowerSports since 1976 (34 years)
    NEVER BUY TIRES AT A "BLOW-OUT" SALE
    Please do not use Private Messaging, use the forums.

  3. #3
    Joined
    Jun 2005
    From
    Virginia Beach
    Posts
    9

    Default Re: Rotary Valve Timing

    Quote Originally Posted by John Kubiak
    It IS the engine, in your particular case. Set the valve to the specs for your engine, not the model.
    Thank you so much!!!

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