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1993 Fatboy Running RoughSoftail Models |
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Oct 20th, 2009, 01:18 PM
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#1 |
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Start The Engine
Ride: 1993 Fatboy
Join Date: Oct 20th, 2009
Posts: 18
My Mood:
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1993 Fatboy Running Rough
I will try to explain this the best I can. I was riding the scoot (1993 Fatboy)doing about 65mph, was running fine, then the engine started stumbling as if I was out of fuel, but the tank was full. So I got off the highway, and the bike kept doing the same thing as if I was out of fuel or running on one cylinder, there was also a clunking sound (sounds like a bolt in a tin can)coming from the front cylinder of possibly the carb. I pulled both spark plugs the plugs looked fine. After the bike sat for a while it started fine and ran fine, after about a minute or two running it would act up again. Also when it acts up which is all the time the carb coughs, I noticed oil on the outside of the carb. Could this issue be carb related, or possible ignition coil/module? Any feedback would be appreciated.
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Oct 20th, 2009, 02:05 PM
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#2 |
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Community Liaison
Ride: 07 Road King Classic
Join Date: Jun 21st, 2007
Posts: 21,062
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Re: 1993 Fatboy Running Rough
Difficult to say without testing a few things. It could be a plug wire or bad gas, even an intake leak for the front cylinder.
Finding An Intake Leak - Harley Davidson Community
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Psssst!  Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me! |
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Oct 20th, 2009, 02:14 PM
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#3 | |
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Contributor$
Ride: 2009 Dyna Low
Join Date: Aug 16th, 2009
Posts: 1,077
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Re: 1993 Fatboy Running Rough
Quote:
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Oct 20th, 2009, 02:19 PM
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#4 |
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Start The Engine
Ride: 1993 Fatboy
Join Date: Oct 20th, 2009
Posts: 18
My Mood:
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Re: 1993 Fatboy Running Rough
The whole issue will go away after the bike sits for a while. But once it warms up a little bit it will start with all the issues. The only upgrade done to the bike seems to be Screaming Eagle Mufflers, all else seems stock. I just purchased the bike two months ago.
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Oct 20th, 2009, 02:19 PM
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#5 |
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Community Liaison
Ride: 07 Road King Classic
Join Date: Jun 21st, 2007
Posts: 21,062
My Mood:
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Re: 1993 Fatboy Running Rough
Look into the intake leak.
__________________
Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me! |
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Oct 20th, 2009, 02:21 PM
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#6 |
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Start The Engine
Ride: 1993 Fatboy
Join Date: Oct 20th, 2009
Posts: 18
My Mood:
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Re: 1993 Fatboy Running Rough
Thanks for the info, Iam going to look into the intake leak tonight after work.
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Oct 20th, 2009, 02:35 PM
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#7 |
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Contributor$
Ride: 2009 Dyna Low
Join Date: Aug 16th, 2009
Posts: 1,077
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Re: 1993 Fatboy Running Rough
Glider,
You have any ideas where that 'bolt in tin can sound' is coming from. I don't have any idea but it can't be good? Hoop! |
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Oct 20th, 2009, 02:38 PM
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#8 |
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Community Liaison
Ride: 07 Road King Classic
Join Date: Jun 21st, 2007
Posts: 21,062
My Mood:
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Re: 1993 Fatboy Running Rough
That could be almost anything not associated with the problem. Being it's running on one cylinder it could be something that rattles causing the noise.
__________________
Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me! |
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Oct 20th, 2009, 02:40 PM
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#9 |
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Contributor$
Ride: 2009 Dyna Low
Join Date: Aug 16th, 2009
Posts: 1,077
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Re: 1993 Fatboy Running Rough
Yep, 10/4, that would do it!
Hoop! |
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Oct 20th, 2009, 09:30 PM
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#10 |
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Start The Engine
Ride: 1993 Fatboy
Join Date: Oct 20th, 2009
Posts: 18
My Mood:
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Re: 1993 Fatboy Running Rough
Ok.Tried checking for maniflod leak, could not find one. Just out of curiosity I checked the plugs again after running the bike and ow the plugs on both cylinders are black. Could this possibly steer me in the direction of the carb?
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