Topica Loopframe_Guzzi Archive


Subject: Re: carb settings

Author: Chris Berry

Date: Jul 16, 2001, 3:04 PM

Post ID: 1707514977


Those settings are for the air mixture screw (no spring, mostly inside the
carb) and are correct for a starting point, tho it should be 2 to 2-1/2 on
the right. The idle screw should be set so that the cylinder you are
working on only fires 5 or so times with the other cylinder's plug
disconnected.
To set the mixture screw, turn it in or out and see by 1/4 turns until the
bike idles faster/better, then starts to falter...reverse it back to where
it idled fastest/best. Do the other side. Re set idle speed screws as
it'll be a bit higher now. Repeat as necessary (once or twice should do
it).
My bike is a biotch to start without the choke too. You could buy some
flipper chokes, but these being on the carbs are kinda hard to reach. But,
theres no cable and it gets one more thing off the handlebars.


 From: "Zerhackermann ." <chopp-@hotmail.com>
Reply-To: Loopfram-@topica.com
To: Loopfram-@topica.com
Subject: carb settings
Date: Mon, 16 Jul 2001 20:13:14 -0000

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As you all probably don't recall, I had some black smoke coming from my
right pipe at idle. I fiddled with the choke. as suspected, there is no0
slack in the cables, this would mean that the choke is at least partially
activated. I could have farted around with it for a while and shortened the
sleeve so that it could have some slack. But in the end I just ripped the
sucker off the bike entirely.

Now the smoke is gone and the bike Idles quite nicely. However it is bitchy
to start (it does start but it does a lot of complaining) no biggee except
being another symptom.

More disturbing is the transition from idle to moving. It wasn't bad today
(cool and raining) but previously,on a hot day, it was bad enough that I
had
to rev it quite high and feed some serious clutch to get rolling. But only
if I was starting on an incline.

so anyhow, it seems the idle mixture may be off and quite possibly the
synchronization as well. The synch is no sweat. I'll do that tonight. But
I'm having trouble finding the specs to reset the idle mixture to original
(set to zero and adjust) was it all in and 1.5 out on the left and 2.5 on
the right?
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