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+--- Forum: FZS600 Fazer (https://foc-u.co.uk/mybb/forumdisplay.php?fid=78)
+--- Thread: running richhi (/showthread.php?tid=58668)
running richhi - reggae123 - 16-05-12
what would cause a bike to run rich (bike starrted ok today kinda lol)
Re: running richhi - mcyoungy - 16-05-12
blocked air filter.
Re: running richhi - reggae123 - 16-05-12
airfilter is fine the carbs do have cracks in quite bad ones
Re: running richhi - topgun44 - 16-05-12
600 are bit lean on runing
Re: running richhi - mcyoungy - 16-05-12
cracked carb rubbers will make it run lean, not rich
Re: running richhi - red98 - 16-05-12
cracked inlet rubbers are a common fault on 600 fazers,they are very thick and its a fair bet that there not cracked all the way through.and as MCYOUNGY has already said will make the bike run lean not rich
Re: running richhi - mcyoungy - 16-05-12
worn emulsion tubes would cause rich running. float level too high.
how do you know it's running rich?
Re: running richhi - reggae123 - 16-05-12
the spark plugs are sooty so changed them
Re: running richhi - Andy FZS - 16-05-12
Choke stuck or partly stuck on?
Re: running richhi - reggae123 - 16-05-12
choke works as it should
Re: running richhi - bikemad62 - 17-05-12
Take the choke plungers out and get a magnifing glass and look at the rubber seal faces for wear or cracks. just because they move don't mean they "ain't" damaged !!!!
Re: running richhi - bikemad62 - 17-05-12
Other advice would be. Strip them down clean and rebuild paying close attention to worn moving parts. such as jet needles, sliders and diaphrams. There are a surprising amount of moving parts in there. and always use a magnifying glass. The damage may be hard to see with the naked eye. My son had a small split in one of his slider diaphram and neither of us saw it until i magnified it. caused all sorts of problems. hope this helps.
Re: running richhi - reggae123 - 17-05-12
ok and how on earth would i do that will it help my bike to start better
Re: running richhi - mcyoungy - 17-05-12
what starting problem do you have? hot or cold? what mileage is on the bike? when were the valve clearances checked?
Re: running richhi - reggae123 - 17-05-12
no idea when the valve clearences were last cheked i have noticed when u turn the ket in the igntion u have to wait for the ist click noise to click then the bike starts is thgat normal ie is that click sound the petrol pump cheers
Re: running richhi - Gnasher - 18-05-12
Is it rich at idle and below 3k or above 3k?
Re: running richhi - bikemad62 - 21-05-12
Get a haynes manual for a start. If the needles on the sliders are worn they will let more petrol through and that may cause the rich mixture.