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Author Topic: carb tuning  (Read 782 times)
peter
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Posts: 108


Bethesda, Maryland


« on: May 05, 2016, 10:16:10 AM »

Sure hope I'm not wearing out my welcome as I have yet another silly question.

To recap, I've gone through my carbs and, following the advise of many here, just now reset the idle screws from 3 turns out to 2 1/4 and it runs and idles fine going around the block - no noticable pops or stumbles. I think I'm good but will know more when I take her on a lpnger ride.

What I did notice, however, is that when warming up, the left side exhaust emitted a lot more "steam" (white smoke from condensation) than the right side, and that after warming up, the left side was still "stronger" than the right. I'm a big fan of symetry.

Can one determine anything from looking at the exhaust? (Told ya it was stupid....)
Peter
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'98 Valk
'56 BSA
'04 Ducati
Patrick
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Posts: 15433


VRCC 4474

Largo Florida


« Reply #1 on: May 05, 2016, 10:30:53 AM »

I doubt its anything to worry about, seems normal.

If a sync has not been done since the rebuild, it might something to do. Its easy. I use a plain ole vacuum gauge.
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98valk
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Posts: 13484


South Jersey


« Reply #2 on: May 05, 2016, 03:52:29 PM »

boxer engines are known for that on the kick stand side.  if still does it after a 15-30 minute ride then its the valve stem seals have dried out. how many miles on bike? how long was it sitting without running.
or could be gummed up, check out www.auto-rx.com
http://www.auto-rx.com/sealleaks/

or replace with aftermarket viton seals.
http://www.ebay.com/itm/230447101475?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C  10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp

"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
Steel cowboy
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Posts: 1284


Moving ahead so life won’t pass me by.

Spring Hill, Fl.


« Reply #3 on: May 06, 2016, 04:32:18 AM »

My left side or kickstand side has more water vapor coming out of the exhaust on a cool morning too. When I sit her up on the center stand there is no difference. The carb sync is only good for the slow speed and idel circuit. After about 2500 RPMs high speed jets start to kick in.
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2001 black interstate
2003 Jupiter Orange wing
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