SBT Jetski Engines, Parts & Accessories

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  1. #1
    Joined
    Feb 2005
    From
    Palm Bay, Florida
    Posts
    34

    Default Which rotary valve cover to buy?

    My 657x locked up and someone talked me into putting a 720 in my boat. I never got it to run right. I used my 657x stator and rotary valve cover and 44mm mikunis. I want to buy a new rotary valve cover but dont know which one. The numbers on my 657x cover are 6810-527

  2. #2
    Joined
    Jun 2016
    From
    Clearwater, Florida
    Posts
    277

    Default Re: Which rotary valve cover to buy?

    657X = 6810-520
    720 Dual carb = 6810-527
    720 Single Carb = 6810-522 and 6812-530

  3. #3
    Joined
    Feb 2005
    From
    Palm Bay, Florida
    Posts
    34

    Default Re: Which rotary valve cover to buy?

    Awesome. Thanks. I have the right cover, i ground the flat part down but didnt adjust the depth (i didnt take any off the lip).

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