FORK OIL, Please HELP !!

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Mar 29, 2001
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#1
Hello guy's !!

I changed the spring last week and the front fork are better
but with a 5-6' jump, it bottom but not hard !!

I would like to raise the oil fork level so It won't bottom !!

If I want to raise 10mm, how much oil should I but ?

10 milliliter = 10 milimeter ??????????
10 mm = 10oz ??????

In the book, the default is 100mm, I want to add a
litte bit more, but how much is 10mm of oil ??????????

Thanks in advance
Martin
KDX220R 2001
:scream: :scream:
 
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#2
I would like to know the same thing. Sure beats taking them apart and remeasuring the level
 

Jaybird

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#3
:think .....I'll give it a try.

If one has forks that are 43mm, (4.3centimeter) then...
43=4.3

4.3 x 3.141 = 13.5063 square centimeters

13.5063 x 1centimeter (10mm) =13.5 cubic centimeters (13.5 ml.)

10mm (@43mm dia.) = 13.5ml (29.573ml = 1 ounce)

I'm a total idiot , so correct me if I'm wrong! :)
 

marcusgunby

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#4
I havnt done the maths but do remember reading on 43mm forks 10ml was approx 10mm in height.It doesnt really matter what the height is as long as the fork performs how you want it to,so just add 5ml at a time until it feels goo(assuming yoiu are a long way from the max-which most forks are).
 

Jaybird

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#5
I think KTM put 430ml of 5w in each 43mm fork.