Rich/Lean Symptoms, please explain
Thread Starter
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Road Master
Joined: May 2012
Posts: 1,001
Likes: 107
From: Houston
Rich/Lean Symptoms, please explain
In the process of tuning my carb. I know that popping through carb is a sign of lean as well through the exhaust. My bike isnt popping at all, revs fine, just a tiny flat spot at about 1/3 throttle. It goes flat for a second then eventually catches up and continues to rev. I dont know if thats a sign of bein lean or rich? Bike seems to run a little hot. But maybe not? Oil temp doesnt go over 200 when riding so might be ok.
I tried the factory settings and at idle I could smell gas out the exhaust. And some gurgling around 40 mph.
Can someone explain what signs of richness or leanness are in different throttle ranges? Thanks ahead of time.
1997 Fatboy
Starting with Joe Minton Setup
17.5 Pilot
160 Main
98 needle middle clip
A/S 1.25
I tried the factory settings and at idle I could smell gas out the exhaust. And some gurgling around 40 mph.
Can someone explain what signs of richness or leanness are in different throttle ranges? Thanks ahead of time.
1997 Fatboy
Starting with Joe Minton Setup
17.5 Pilot
160 Main
98 needle middle clip
A/S 1.25
Last edited by Fblo1690; May 29, 2018 at 05:04 AM.
Thread Starter
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Road Master
Joined: May 2012
Posts: 1,001
Likes: 107
From: Houston
Do it the EZ way-
https://www.amazon.com/AEM-30-4110-U.../dp/B00N3VGPYS
https://www.amazon.com/AEM-30-4110-U.../dp/B00N3VGPYS
im trying to do this by the seat of the pants for the experience.
Thanks
Banned
Joined: May 2018
Posts: 4,576
Likes: 978
From: Viet Vet, crossroads
Good luck--
With today's gas which reads anomalies, and most people do not have a clue how to do a plug check.....
But go ahead -
Dont let better tools and science get in your way and make it EZ
With today's gas which reads anomalies, and most people do not have a clue how to do a plug check.....
But go ahead -
Dont let better tools and science get in your way and make it EZ
Thread Starter
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Road Master
Joined: May 2012
Posts: 1,001
Likes: 107
From: Houston
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,024
Likes: 7,549
From: Poolville
I'm trying to help a guy that insists he's running lean. He's using a Wego III so I get him to post charts (run files) so I can download them into my program to see what truly is going on and guess what? He's rich every where except in the high end... Most people should just go to a tuner or do better research. I know this forum is all about helping but!!!!
Banned
Joined: May 2018
Posts: 4,576
Likes: 978
From: Viet Vet, crossroads
That is so true.... The fuels just don't have the deposits or indicators that they use to (lead for one) and because of that i'd say 90% of Harley owners have no idea what to really look for. Like for example the timing mark on the plug. I'll bet most don't even know that and to tune an engine with the timing off just ain't gonna workkkkk....
I'm trying to help a guy that insists he's running lean. He's using a Wego III so I get him to post charts (run files) so I can download them into my program to see what truly is going on and guess what? He's rich every where except in the high end... Most people should just go to a tuner or do better research. I know this forum is all about helping but!!!!
I'm trying to help a guy that insists he's running lean. He's using a Wego III so I get him to post charts (run files) so I can download them into my program to see what truly is going on and guess what? He's rich every where except in the high end... Most people should just go to a tuner or do better research. I know this forum is all about helping but!!!!
The wideband trick is the best tool we could add to our inventory and should be on every
modded Harley.
It should be bolted right to the handlebars and as time goes those that smarten up will do it.
The tide will eventually turn.
I feel like the preacher, "telling people to "save their engines from destruction, Save it now, Save all kinds of time and money by buying a simple gadget
that will tell you RIGHT NOW WTH is going on, and all the internet experts-
can go do something else. LOL
Like you said, and other knowledgeable people too-reading a plug is dam near imposable-plus they have no clue when to pull it.
.Plus, on the side of the road can be pretty dangerous.
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Road Master
Joined: May 2012
Posts: 1,001
Likes: 107
From: Houston
Ok. So if I installed this device, rear header? How far down? Also Im not a fan of leaving it on. Unless I mount it somewhere inconspicuous. Otherwise Ill become obesessive and I wont really like the look.
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Banned
Joined: May 2018
Posts: 4,576
Likes: 978
From: Viet Vet, crossroads
There are several styles to choose or buy- with one gauge and a switch read front or rear
Or two gauges ETC
Most- Buy one -Install as per direction about 9 inches dwn on front pipe as it runs leaner.
If you mount the bung on the inside (toward the center of bike) no one can see it anyways
The gauge -put it where thou wants.
You will kick your own **** for not doing it sooner once you start to use it.
Why pay the cost of the dyno room when you can have the very same best information at your fingertips?