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Bikes, Hints'n'Tips => Fazer 1000/FZ1 corner => Topic started by: jonjenk on 31 March 2013, 05:47:12 pm

Title: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: jonjenk on 31 March 2013, 05:47:12 pm: I have a mint 2001 FZS1000 with only 11k on the clock. As it is 13 year old I've decided to change the fork oil. I emptied the tubes and some smelly grey stuff came out so i'm glad I decided to change it. I need to re-fill the tubes...

Can anyone give me any advice on the weight of oil and the quantity/air gap to improve the forks without changing the springs?

If I were to replace the springs what would be the best/most cost effective way of improving the forks?

I have just fitted a brand new original shock to the bike.

Thanks,

JOHN
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: kebab19 on 31 March 2013, 06:27:07 pm: 2.5w oil helps suppress the harshness a good bit. I replaced my springs with those from an XJR1300 to cope with the extra weight.

Other options are rebuilding them with aftermarket cartridges such as those made by k-tech or fitting other forks.

Mike (Falcon) went with USD R1 forks & yokes which are great.
http://fazer1000.yuku.com/topic/3408#.UVhxSTeAZcM (http://fazer1000.yuku.com/topic/3408#.UVhxSTeAZcM)

I went with R6 2003 RWU forks which fit the standard Fazer yokes.
http://fazer1000.yuku.com/reply/23677/Re-R6-forks-nonUSD-for-Gen1#.UVhxZjeAZcM (http://fazer1000.yuku.com/reply/23677/Re-R6-forks-nonUSD-for-Gen1#.UVhxZjeAZcM)
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: sadlonelygit on 31 March 2013, 08:35:33 pm: i firstly went with a respring and re-oil and now have an R1 front end.
firstly, what weight are you, that will determine if you need a respring.
secondly, as has been said a lighter oil gives a smoother damping action, but you need to experiment with air gaps as the rebound is a lot softer.
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: jonjenk on 31 March 2013, 08:42:50 pm: I'm around the 16 stone mark (but the missus would like me to be 13) and although I don't often carry a passenger, I do carry luggage on trips.

Other posts on here talk about using 10w oils and specify air gaps... All I'd like is to get a good feeling, well damped and sprung front end using as much of the original bike as possible.
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: sadlonelygit on 31 March 2013, 08:50:06 pm: 0.95 or 1.0 kg/mm linear spring
5 or 2.5wt oil 140mm air gap or 440cc per leg.
don't forget to bleed the suspension
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: jonjenk on 31 March 2013, 09:03:55 pm: Quote from: sadlonelygit on 31 March 2013, 08:50:06 pm
0.95 or 1.0 kg/mm linear spring
5 or 2.5wt oil 140mm air gap or 440cc per leg.
don't forget to bleed the suspension
.

Bleed suspension??? enlighten me please
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: Exupnut on 31 March 2013, 10:14:44 pm: Its all bollocks if u have a good mechanic

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Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: jonjenk on 31 March 2013, 11:34:22 pm: Quote from: Exupnut on 31 March 2013, 10:14:44 pm
Its all bollocks if u have a good mechanic

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Very helpful. Thanks.
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: Exupnut on 01 April 2013, 07:45:34 am: Then try something like this. http://www.ovalmotorcyclecentre.co.uk/web/index.php

Dont know where u r but if u could find somethin similar its worth it.

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Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: Exupnut on 01 April 2013, 07:46:18 am: Thanks. Lol

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Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: sadlonelygit on 01 April 2013, 02:06:21 pm: Quote from: jonjenk on 31 March 2013, 09:03:55 pm

Bleed suspension??? enlighten me please

download a manual, far easier than me explaining it to you.
Title: Re: Fazer 1000 gen 1.. FORK OIL...talk to me!
Post by: Tmation on 01 April 2013, 02:42:07 pm: And you can download it from here. http://foc-u.co.uk/index.php?action=downloads;cat=4 (http://foc-u.co.uk/index.php?action=downloads;cat=4)