Help! Rossier Rotary Valve
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  1. #1
    PWCToday Newbie
    Join Date
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    New York
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    Help! Rossier Rotary Valve

    Hello ;
    I'm in need of how to set up a Rossier 163 degree rotary valve for a seadoo 787 i do have mods are as follows
    New SeaDoo 787 blue printed from Crank works
    Buck shot 44mm carbs
    New ada race head 39cc domes-205 comp
    New Coffman Signature Race pipe ecwi
    Need help with the setup specs
    Thanks .

  2. #2
    Resident Guru mandriva's Avatar
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    Re: Help! Rossier Rotary Valve

    Quote Originally Posted by Americanracer001 View Post
    Hello ;
    I'm in need of how to set up a Rossier 163 degree rotary valve for a seadoo 787 i do have mods are as follows
    New SeaDoo 787 blue printed from Crank works
    Buck shot 44mm carbs
    New ada race head 39cc domes-205 comp
    New Coffman Signature Race pipe ecwi
    Need help with the setup specs
    Thanks .
    with rotary rossier 163 the
    67/68 degrees timings
    xpl 951 rossier 7180 rpm
    xp800 rossier 7250 rpm
    xp 720 race pipe rossier 7300 rpm

  3. #3
    PWCToday.com Is My Home Away From Home wmazz's Avatar
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    Re: Help! Rossier Rotary Valve

    Quote Originally Posted by Americanracer001 View Post
    Hello ;
    I'm in need of how to set up a Rossier 163 degree rotary valve for a seadoo 787 i do have mods are as follows
    New SeaDoo 787 blue printed from Crank works
    Buck shot 44mm carbs
    New ada race head 39cc domes-205 comp
    New Coffman Signature Race pipe ecwi
    Need help with the setup specs
    Thanks .

    I am curious what impeller is installed?


    Bill M.
    Horsepower == Speed, RPM != Speed



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