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Thread: 70cc 90cc 100cc difference

  1. #1
    Join Date
    Dec 2010
    Location
    NM
    Posts
    110

    70cc 90cc 100cc difference

    Sorry in advance if this has been covered in the forum, but I am not used to the VBB and found it a little odd searching for what I need.

    What are the difference between the cc motors.. Bores and strokes or what.. And I am just talking stock here not special big bores or big bore de-strokes...

    Thanks

  2. #2
    Join Date
    Aug 2007
    Location
    Cookeville Tn
    Posts
    528
    70--47.6x39.2
    90--52x42
    100--52x45
    Sent you a pm
    #7 Christian Horne
    www.christianhorne7.com/

    2008 ITP Moose Racing ATVA MX Series
    70 CVT CHAMPION

    2012 AMA/ATVA MX Series
    450 C Class - Sozuki 450


    Riding in Memory of Justin Brown


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  3. #3
    Join Date
    Oct 2008
    Posts
    479
    Cases and cranks (stroke) for the 70 and 50 are the same. Cases for the 90 and 100 are the same.
    2013 NEATV-MX 3rd place 70cc championship
    #822 Seth "Rockstar" Reese

    APEX, ATLAS NECKBRACE, ANSWER RACING, EVS, ATV FOURPLAY, DWT, MALOSSI, KLOTZ, ELKA SUSPENSION & DRT MOTORSPORTS

  4. #4
    Join Date
    Dec 2010
    Location
    NM
    Posts
    110
    thank you both for you alls patience and replys..

    Nana, I didnt get a pm....?

  5. #5
    Join Date
    Aug 2007
    Location
    Cookeville Tn
    Posts
    528
    Should have it now
    #7 Christian Horne
    www.christianhorne7.com/

    2008 ITP Moose Racing ATVA MX Series
    70 CVT CHAMPION

    2012 AMA/ATVA MX Series
    450 C Class - Sozuki 450


    Riding in Memory of Justin Brown


    Thanks to our 2013 Sponsors
    Specialty Gold Promotions + Maximum RPM + 488 Web Design

  6. #6
    Join Date
    Jan 2007
    Location
    FL
    Posts
    1,930
    OEM 70cc bore is 47.mm while most aftermarket are 47.6mm
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