'05 450R Fork Oil Volume
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    Torrmentor
    Posts: 40
    Joined: Sat Feb 02, 2013 4:07 am

    '05 450R Fork Oil Volume

    by Torrmentor » Thu Oct 29, 2015 1:53 pm

    Hi All-
    Just bought a used pair and will be rebuilding them and inspecting everything. What are the oil volumes (stock or recommended) when I go to rebuild?
    Thanks
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    Torrmentor
    Posts: 40
    Joined: Sat Feb 02, 2013 4:07 am

    by Torrmentor » Fri Oct 30, 2015 1:27 pm

    I got it; I'll settle on a volume somewhere between 370-380mm in the outer.
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    JimDirt
    Posts: 4406
    Joined: Sat Nov 25, 2006 6:31 pm

    by JimDirt » Fri Oct 30, 2015 3:22 pm

    This is direct from the Manual

    Minimum: 323cc(10.9oz)
    Standard:412cc(13.9oz)
    Maximum: 419cc(14.2oz)

    6. SUSPENSION ADJUSTMENT
    FRONT SUSPENSION
    The fork should always be adjusted for the rider's weight
    and track conditions by using one or more of the following methods.
    Basically, there are four adjustments you can make to
    the front suspension:

    Fork springs – Optional spring is available in softer
    and stiffer types than the standard rate. (page 10)

    Rebound damping – Turning the rebound damping
    screw adjusts how quickly the fork extends.

    Compression damping – Turning the compression
    damping screw adjusts how quickly the fork com-
    presses.

    Oil volume – The effects of higher or lower fork oil level are only felt during the final 3.9 in (100 mm) of
    fork travel

    NOTE:

    When adjusting oil levels, bear in mind that the air
    in the fork will increase in pressure while riding;
    therefore, the higher the oil level, the higher the
    eventual pressure of any air in the fork.


    On a side note , i run 380cc in both my 02 450R and my 06 450X
    2020 CRF450R
    2006 CRF450X
    Image
    Weiser , Idaho
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    Torrmentor
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    Joined: Sat Feb 02, 2013 4:07 am

    by Torrmentor » Sat Oct 31, 2015 10:41 am

    Thanks Jim, you're just clarifying my thoughts. Appreciate it.

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