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Bikes, Hints'n'Tips => Fazer 1000/FZ1 corner => Topic started by: b1k3rdude on 08 August 2015, 08:18:40 am
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Got a K-tech fork spring kit fitted yesterday and I as fas as I can see its made bugger all difference, so before I call k-tech -
- What is the static sag setting for this kit, I am running the 9nm springs.
- What preload setting do I use.
- What preload/rebound damping setting do I use.
Atm all of the above are set to stock and am running a 8.5w fork oil.
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how heavy are you?
sag should be @25mm with rider.
damping is up to you. 8.5W oil seems pretty heavy duty!
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Call k-tech and don't waste time waiting for answers here. :)
Seriously, they're the experts and best placed to advise on their product as fitted to the Gen 1. You should ask about air gap as well as oil weight.
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Call k-tech and don't waste time waiting for answers here. :)
NOOOOOOOOOOOO!!!!!
i was hoping for 5 pages of speculation, tyre pressures, profiles, leathers colours and a lucky T shirt.
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- how heavy are you?
- sag should be @25mm with rider.
- damping is up to you. 8.5W oil seems pretty heavy duty!
- 14st and my gear adds a few kilos.
- so not far off stock..?
- K-tech recommended 10w, so went lighter in the vain hope it would soften the damping.
- Seriously, they're the experts and best placed to advise on their product as fitted to the Gen 1.
- You should ask about air gap
- Fair enough, was just after some feedback from other fzs100 owner who had fitted them etc.
- They said 140mm, same as std.
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imo 9nm is a little too soft for your weight. my little suspension website says 0.999 kg/mm is optimum spring.
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imo 9nm is a little too soft for your weight. my little suspension website says 0.999 kg/mm is optimum spring.
Dosen't feel that way when I sit on the bike, will speak to KT on Monday to get all the settings etc.
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I hope you get sorted matey, I must admit I think my forks feel fine as they are, if I'm honest even the rear shock isn't that bad certainly not as bad as some folk report
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stronger springs need less compression and more rebound damping. when mine was upgraded i had max rebound with 5w oil at 140 air gap.
be interesting to hear what ktech have to say.
mind you this is the same ktech who sent me 2 differently wound springs in a set. :rolleyes
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mind you this is the same ktech who sent me 2 differently wound springs in a set. :rolleyes
Were you using those springs in Oulton? :lol :lol :lol
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So got an update from k-tech -
- Static Sag - Ideally one should check the sag with and without rider, 25-30mm without rider and 35-45mm with rider
- Comp & Reb - set the compression adjuster (bottom) to three or four clicks out and the rebound adjuster to eight clicks out.
Will have to measure the sag over the weekend, but the above comp setting is nuts. At stock of 6-clicks out its too harsh as it is, but their reb. setting is only 1-click softer than stock.
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Compression & rebound settings are based on so many variables (including the oil weight - which is lighter than they recommended) that no-one can give you the correct ones for you, you just need a base and then to go out and find what suits you best. I've found it helps to go out with a mate and get them to adjust the settings without you knowing what they've done, ride like you normally would and see if the ride is better or worse then rinse and repeat until you're there. Personally I think static / rider sag is all well and good but I would stick a cable tie on one of the legs and adjust preload to the point that in regular riding you are using most of the travel but have about 10mm left in reserve.
I recently upgraded my 13 year old OEM springs (and oil :eek) with K-Tech 10NM and 10W (as recommended) and found the difference to be pretty noticeable, that being said I'm "big boned" and the OEM springs had probably long given up the ghost. You seem to have pretty much replaced like for like so I wouldn't be that surprised if the difference was subtle, but it should be noticeable.
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So got an update from k-tech -
- Static Sag - Ideally one should check the sag with and without rider, 25-30mm without rider and 35-45mm with rider
- Comp & Reb - set the compression adjuster (bottom) to three or four clicks out and the rebound adjuster to eight clicks out.
Will have to measure the sag over the weekend, but the above comp setting is nuts. At stock of 6-clicks out its too harsh as it is, but their reb. setting is only 1-click softer than stock.
I think they got it in reverse, I would suggest as a start 4 out rebound and 8 out compression