Running rich after debaffle

zoom45 · 03-29-2009, 01:05 PM

I debaffeled (second time around)

and added perfforated plates over my exhaust. It changed the sound over the first time I did it and now I like it better. After I added the plates it seems to run a little richer. Could the plates cause too much restriction and make it run richer? It also seems to take a little more winding on the starter to get it cranked when it's cold and I need to leave the high idle out longer. Is this an issue with the exhaust plates or just a carb/fuel thing?

Zoom45

03-29-2009, 02:26 PM

It looks like they would restrict the opening by about 50% so Im gonna say yes.

dogdoc · 03-29-2009, 02:33 PM

+1, that kind of plate LOOKS to restrictive the way I am seeing the pick. probably building up too much back pressure and changing the bike's fuel/air ration.

macmac · 03-29-2009, 03:38 PM

yeah my best guess is you have created more back pressure than was stock, hard as that seems to be.

I would suggest you drill a 3/8" hole dead center, and try that, then 7/16" and try that working up to 3/4" and maybe more, but try each size going up with some care as getting it back down is as easy. Of course if you do pass what worked best, you can always make another seive.

blowndodge · 03-19-2012, 09:10 PM

me too

**cnc** · 03-19-2012, 09:35 PM

Brad are you Bored?, your answering 2 and 3 year old posts

Yellow Jacket · 03-20-2012, 12:43 AM

He's trying to catch Gene in the post count.

**Jared** · 03-20-2012, 01:12 AM

Quote:

Originally Posted by Yellow Jacket

He's trying to catch Gene in the post count.

He'll have to answer more than 2 or 3 then.....

mobandy78 · 03-20-2012, 01:09 PM

I'm trying to catch all of ya!

Those plates look kind of cool in the picture, but it does seem to restrict things.

03-29-2009, 01:05 PM	#1
zoom45 Sr. Member Join Date: Jul 2007 Location: Terry, Mississippi Posts: 1,434	Running rich after debaffle I debaffeled (second time around) and added perfforated plates over my exhaust. It changed the sound over the first time I did it and now I like it better. After I added the plates it seems to run a little richer. Could the plates cause too much restriction and make it run richer? It also seems to take a little more winding on the starter to get it cranked when it's cold and I need to leave the high idle out longer. Is this an issue with the exhaust plates or just a carb/fuel thing? Zoom45 __________________ Bobby Risher Terry, MS Kawanow member # 124 South Central Group 2000 Nomad 1500 (carbed) 128,000 miles Login or Register to Remove Ads
	0

03-29-2009, 02:26 PM	#2
Guest Posts: n/a	Running rich after debaffle It looks like they would restrict the opening by about 50% so Im gonna say yes.
	0

03-29-2009, 02:33 PM	#3
dogdoc Top Contributor Join Date: Jul 2007 Posts: 5,263	Running rich after debaffle +1, that kind of plate LOOKS to restrictive the way I am seeing the pick. probably building up too much back pressure and changing the bike's fuel/air ration.
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03-29-2009, 03:38 PM	#4
macmac Sr. Contributor Join Date: Apr 2008 Location: Tamworth New Hampster 06 1600 Posts: 12,484	Running rich after debaffle yeah my best guess is you have created more back pressure than was stock, hard as that seems to be. I would suggest you drill a 3/8" hole dead center, and try that, then 7/16" and try that working up to 3/4" and maybe more, but try each size going up with some care as getting it back down is as easy. Of course if you do pass what worked best, you can always make another seive. __________________ 06 1600 Nomad Just call me Mac molon labe come and get it
	0

03-19-2012, 09:10 PM	#5
blowndodge Sr. Contributor Join Date: Jul 2007 Location: Washington City, Utah Posts: 16,474	me too __________________ I love my Victory Cross Country Tour 106. Smells like Victory! Ultra's are Limited There are two types of Harley riders. Those that trailer them and those that push them. The most Interesting Man in the World "Find the things in life you don't do well and don't do those things" Member # 0005 Login or Register to Remove Ads
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03-19-2012, 09:35 PM	#6
cnc Join Date: May 2009 Location: Montreal QC Posts: 12,034	Brad are you Bored?, your answering 2 and 3 year old posts __________________ Norm Ward 2008 blue / silver nomad kawanow / VBA #01136
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03-20-2012, 12:43 AM	#7
Yellow Jacket Top Contributor Join Date: Nov 2007 Location: Fayetteville, Georgia Posts: 5,792	He's trying to catch Gene in the post count. __________________ Bob KawaNOW/VBA 210 Green/Silver 2006 Patriot Guard Riders 2009
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03-20-2012, 01:09 PM	#9
mobandy78 Sr. Member Join Date: Sep 2009 Location: Owasso, OK Posts: 1,485	I'm trying to catch all of ya! Those plates look kind of cool in the picture, but it does seem to restrict things. __________________ Matt "Mo" Moore Owasso, Oklahoma VBA #1250 2005 Nomad 1600 - Darkside "There is no normal life, there's just life. So get on with it." - Doc Holiday
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