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Fazer Owners Club - Unofficial
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Bikes, Hints'n'Tips
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FZS600 Fazer
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fork oil / air gap ??
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Topic: fork oil / air gap ?? (Read 1203 times)
74eldiablo
Weekend Warrior
Posts: 102
Main bike:
FZS600 00-01
fork oil / air gap ??
«
on:
20 March 2019, 10:08:21 am »
Ive just put some 15w oil in my 2001 forks with pre load adjusters.
465ml measured out correctly.
Pumped the forks to release air bubbles.
After 10 minutes each leg sitting i measured the air gap
It was way off the specified 132mm (at least 15 > 20mm off)
Should i add more oil to make the air gap the correct height or just leave the measured out 465ml
Thanks
«
Last Edit: 20 March 2019, 10:09:41 am by 74eldiablo
»
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bandit
Club Racer
Posts: 491
Main bike:
FZS600 98-99
Re: fork oil / air gap ??
«
Reply #1 on:
20 March 2019, 02:56:33 pm »
With the inner fork compressed without the spring fitted,I personally with add more oil to the 132 mm level.
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robbo
GP Hero
Posts: 4,028
Main bike:
FZS 1000 Gen1
- Mk 1 Speed Triple
Re: fork oil / air gap ??
«
Reply #2 on:
20 March 2019, 03:16:12 pm »
Had this problem a year or so back on a thou. If I remember correctly the correct amount of oil meant the gap was far too small, meaning fluid would have to be removed. Spoke to a mech at a Yam dealer and he said ignore the airgap and stick with the prescribed volume.
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Whizz kid sitting pretty on his two wheeled stallion.
darrsi
GP Hero
Posts: 10,650
Main bike:
FZS600 00-01
Re: fork oil / air gap ??
«
Reply #3 on:
20 March 2019, 06:19:17 pm »
I had similar when i last did my oil.
Forks were empty, and the levels were measured out spot on, but the air gaps were different as well.
I made the air gaps the same and have never had any problem with handling at all.
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More people are born because of alcohol than will ever die from it.
daviee
Guest
Re: fork oil / air gap ??
«
Reply #4 on:
20 March 2019, 06:46:16 pm »
bad advice to ignore the air gap if its different from leg to leg then the spring pressure will be different as the air gap compresses with the movement of the forks so it will affect how the forks operate who ever told you otherwise is clue less and not a mechanic
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74eldiablo
Weekend Warrior
Posts: 102
Main bike:
FZS600 00-01
Re: fork oil / air gap ??
«
Reply #5 on:
20 March 2019, 07:29:11 pm »
I already made the airgaps upto 132mm by adding extra oil, i just wanted to see what other people had experienced whilst doing this job.
So my intial gut feeling was correct as confirmed by most of you guys.
Thanks for your input.
Now im off to spray the top yoke ready to fit the new bars
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His Dudeness
GP Hero
Posts: 2,801
Main bike:
I don't own a bike
Re: fork oil / air gap ??
«
Reply #6 on:
20 March 2019, 07:59:23 pm »
I add the recommended volume then add or remove a small amount to get the air gap equal in both forks and at the recommended height. I think this guy does suspension setup for track bikes. He talks about air gap in this video
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fork oil / air gap ??
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