running issue

[antelopeDAZ]

Hi guys

ive got a '95 GS and its running really rich at the minute, to the point where shes bogging down, im running an open pipe and an almost open airbox but i want to try and work out whether it could be dubbed down with any sort of adjustment before i look at rejettig

any help would be massively appreciated guys. Thanks in advance

[Iarn]

What's the story here?

Are these stock jets?

Have you replaced them with something else for your pipe and airbox and you're finding out the jets you chose are too rich?

[antelopeDAZ]

Bought it off a mate, but it was running that rich that it wouldnt start, got around it with the pipe and filter, cant see anything obviously wrong (nothing wrong rom looking at it, but as far as i know the jets are stock as well) just wondered if anyone had experienced anything similar or if there was anything to look for

[Iarn]

Stock jets, open pipe AND open air filter and it's still that rich? Something isn't adding up.

It's either the jets, or some other problem. Somebody else would have to chime in on that.

[antelopeDAZ]

Thats exactly what i thought, but wasnt sure whether the mixture screw has been played with its the only part that i havent checked yet

[Big Rich]

You'll need to open up the carbs and look at the jetting. I'd bet it's running stock jets and is lean - not rich. And what kind of filter is on the carbs? Those cheap EMGO filters can actually strangle airflow to the carbs.

[Iarn]

Quick and dirty way to verify air/fuel mixture is to check your spark plugs. Take them out and inspect them. If they're white on the end, you're running lean. If they're black with soot and fouled up, you're too  rich.

[antelopeDAZ]

Its definately running lean i know the difference,  id just swap everything back to stock if it was haha but ill definately check the plug!

[bmf]

So now it IS running lean?

[Iarn]

Is it running rich or lean? Conflicting stuff, 

[antelopeDAZ]

I know its confusing but its running rich. Thats with the addition of the pipe and filter