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S4 Fork oil level How much?

Started by jerryz, November 05, 2008, 02:54:00 AM

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jerryz

How much oil do i put in my S4 forks or what level should i set it  ?. each of my manuals has several different amounts!

My forks are still to bouncy in corners and vague i have 5w oil in  but they never bottom out properly and are not compliant. Some time they will have to go to UK for a revalve and spring job but in Thailand all i can do is check levels and change oil and settings .

jerry

mmakay

What springs do you have?  Stock? 

The stock progressive springs are challenging to make work right, because you need one amount of damping at their "low rate" and a totally different amount at the "high rate" end of travel.  This makes the fork harsh and bouncy at the same time.  Swapping to new springs that have a constant rate will make a world of difference, and you can do it yourself.  I just did mine.  It was very easy.
- Mickey

jerryz

what springs did u fit mine are standard , I put ohlins springs in the M750 with 7.7w oil  and they were great ,

Speeddog

S4 comes with straight rate springs, they're about 0.85.

I'll try to remember to check my manual for oil height spec tomorrow.
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jerryz

Speeddog, if standard springs it seems standard practice just to revalve this S4 type fork or also change spring? 

if so its the next thing i will do when i go to UK and get them sorted there ,they will fit in my bag and are not heavy. i cannot do much with them in Thailand .

jerry