GZ 250 Forums - Soot from drain hole in exhaust question

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- General GZ250 Talk (http://www.gz250bike.com/forum/forumdisplay.php?f=15)

- - Soot from drain hole in exhaust question (http://www.gz250bike.com/forum/showthread.php?t=1261)

5th_bike

08-19-2008 08:29 PM

Quote:

Originally Posted by Easy Rider

[re: expected mileage improvement from tightening the 'idle' jet]... Don't expect too much. That only comes into play at idle.

Hm, is that so ? I thought the idle jet is *always* on...
Please enlighten me, thank you.

Easy Rider

08-19-2008 09:25 PM

Quote:

Originally Posted by 5th_bike

Hm, is that so ? I thought the idle jet is *always* on...
Please enlighten me, thank you.

OK, I guess I deserved that. :blush:

Let's rephrase, OK?

The fuel provided by the idle "jet" is only a small portion of the fuel consumed when running above idle so,........whatever you do to the idle circuit is not likely to make a significant difference to your overall fuel consumption. Unless, of course, something is out of whack other than just a simple needle adjustment. The idle mixture adjustment doesn't normally have enough range to make much of an overall impact.

Did I say it right that time? I think so.

Easy Rider

08-19-2008 09:38 PM

Re: Idle Issue

Quote:

Originally Posted by Sarris

Yeah EZ, mine does that too, so I just leave the choke (enrichment lever) a tad open until the little iceberg heats up.

Yep. I used to do that too but lately it's been sputtering just a bit when I leave the "choke" operated for more than 30 seconds or so. Somethings not quite right. May be due for another shot of Gumout.

jonathan180iq

08-20-2008 08:41 AM

Your miles are getting close to mine and I'm considering doing a vavle adjustment around 5500 miles. You might want to do the same, if you think it's warranted.

5th_bike

08-20-2008 08:55 PM

Quote:

Originally Posted by Easy Rider

The fuel provided by the idle "jet" is only a small portion of the fuel consumed when running above idle so,........whatever you do to the idle circuit is not likely to make a significant difference to your overall fuel consumption. Unless, of course, something is out of whack other than just a simple needle adjustment. The idle mixture adjustment doesn't normally have enough range to make much of an overall impact.

Did I say it right that time? I think so.

Yes, thank you ! :tup:

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