VF500F Cam Spec's '84/'85 vs. '86

Discussion in '1st & 2nd Generation 1983-1989' started by invisible cities, Sep 20, 2010.

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  1. slowbird

    slowbird Member

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    Hmmmm....these words put together don't seem quite right. :tongue:
     
    slowbird, Sep 23, 2010


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    #41
  2. notinline

    notinline New Member

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    invisible cities,

    You should be able to machine slot the existing cam bolt holes in the OEM sprockets to allow enough movement for phasing.
     
    notinline, Sep 23, 2010


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    #42
  3. 02 VFR Rider

    02 VFR Rider New Member

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    This is a great mod for any bike.
     
    02 VFR Rider, Sep 23, 2010


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    #43
  4. invisible cities

    invisible cities New Member

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    I can add this to the project clipboard. I don't own a milling machine but I have a friend who does :)
     
    invisible cities, Sep 23, 2010


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    #44
  5. JamieDaugherty

    JamieDaugherty New Member

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    Exactly!

    +1 on the cam timing comments. Stock engines often are off from what they "should" but a significant amount. Degreeing in the cams can make a noticeable difference.
     
    JamieDaugherty, Sep 23, 2010


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  6. invisible cities

    invisible cities New Member

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    - bump -

    Would anyone out there happen to have the stock cam lift specifications for the '84/'85 compared to the '86?
     
    invisible cities, Apr 28, 2011


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    #46
  7. blitzas

    blitzas New Member

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    The only reference I have seen about cam lift was in Cycle 07/84.
    Intake was given as 7.8mm, exhaust was given as 7.6mm. We can safely assume Cycle refers to '84/'85 models.
     
    blitzas, Apr 28, 2011


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    #47
  8. invisible cities

    invisible cities New Member

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    5x5, have the same info here.

    [​IMG]
     
    invisible cities, Apr 28, 2011


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    #48
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