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+--- Forum: FZS600 Fazer (https://foc-u.co.uk/mybb/forumdisplay.php?fid=78)
+--- Thread: Just bought fzs 600 1999 Tuning question. (/showthread.php?tid=60206)
Just bought fzs 600 1999 Tuning question. - nickodemon - 10-09-12
Hello foccers, Just bought 'winter wheels' fzs 600 1999. I've been a member on this forum for years as i have an ivanised 2004 fazer 1000. My question - Is there a specific site for tuning mods for the 600? The 1000 forum has 'mike' who ivanises them in the uk and 'pats tuning page'
Re: Just bought fzs 600 1999 Tuning question. - kebab19 - 10-09-12
Very little tuning info for the 600 as there isn't that much more to be squeezed out of it, unlike the 1000.
K&N filter & open pipe seems to be the usual way people go, dynojet kits not really rated for this model.
Re: Just bought fzs 600 1999 Tuning question. - nickodemon - 10-09-12
Its got a micron race can, but i don't know if the jetting has been modified. Going to check the air filter tomorrow to see if its stock. Can the 600 be run with a high flow filter and race can on stock settings?
Re: Just bought fzs 600 1999 Tuning question. - nickodemon - 11-09-12
Checked air filter. Its standard and clean
. I don't know if this is a common issue, but when bike is cold it struggles to pull past 5000 rpm. It is almost like a 2 stroke clearing it's self out when you first open it up. Once it's revved passed 5000 rpm its fine and revs freely with no issues.
Re: Just bought fzs 600 1999 Tuning question. - CRH - 11-09-12
(11-09-12, 09:13 PM)nickodemon link Wrote: Checked air filter. Its standard and clean......sounds like similar problem ade the blade had?...he ended up re-jetting and was superb after that?...some end cans are fine without?..but some just need that bit extra fuel!!....i have a harpoon race can on mine std jetting plus k&N and its lush!!
Re: Just bought fzs 600 1999 Tuning question. - bwizz - 12-09-12
Could be the race can itself. do you have access to a standard can to experiment with? I had a race can on my previous 600 + BBC filter "same as KN" the mid range was hopless. I don't recal seeing any good results on this or previous forum for re jetting the 600.
At the moment I have a Carbon Can co baffled after market can, with after market SS front pipes + KN this sounds ok and goes well but I'm not sure its better than standard. The KN filter fills in the mid rang a little
Re: Just bought fzs 600 1999 Tuning question. - nickodemon - 13-09-12
I have still to pick up the original can from the seller, so might try that to see if it helps.
Re: Just bought fzs 600 1999 Tuning question. - bwizz - 14-09-12
I think the general consensus is that this engine runs rich from factory so not sure main jets would do much. You could raise the needles a notch or 2 . I think Yamaha got this engine as good as it gets . As an after thought ,I have never seen any horsepower charts before and after tuning for the 600 either. Unlike the thou !
Re: Just bought fzs 600 1999 Tuning question. - JZS 600 - 14-09-12
I fitted Iridium plugs last week when I serviced my 600.
Can't feel any difference...
Lucky they were cheap from Ace Parts and will last longer supposedly.