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Aug 2nd, 2008, 08:46 PM
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#1 | | Newbie
Join Date: Aug 2008
Posts: 5
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Help.
I have a 1996 Road King FLHRI which has travelled 160,000 km and recently the engine was overhauled by reboring and fitting with 10:1 pistons
My problem is with the fuel system (this condition was also preexisting prior to the overhaul)
The bike runs extremly well when on a trip, however the spark plugs are fouling when used locally.
Several Harley mechanics have inspected the bike and cannot repair the problem.
Could fitting a late model fuel control module be a possibility? Any other suggestions?
I am getting desperate.
Besthelper | 
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Aug 2nd, 2008, 08:59 PM
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#2 | | Moderator Has posted 500+
Join Date: Jul 2005
Posts: 4,515
| i am not sure where your located, but 10/1 compression is a bit high for todays fuel. it sounds like your on the rich side, you dont state your fuel management system. if it is adjustable, maybe you need to get it on a dyno to get it leaned a bit,,,,,,i am no expert on fuel injection, but there are those on this site that are, and im sure they will chime in her in a bit........  | |
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Aug 2nd, 2008, 09:02 PM
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#3 | | Has posted 500+
Join Date: Apr 2006 Location: Alvin TX
Posts: 1,710 Model: 03 E Glide X cop bike Interests: My family Old Dodge truck's Riding My Glide Occupation: Retired truck Driver
| are you running any type of control mogule ? power commander / V&H fuel pack anything along these lines? if so it's out of adjustment , or just HD to adj it right | |
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Aug 2nd, 2008, 10:18 PM
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#4 | | Has posted 500+
Join Date: Feb 2007 Location: middleburg, pa
Posts: 696 Model: 06 FLST hertiage, stage 1 1450 pc111 Interests: hunting,wood working Occupation: medical asst. tech/DPW
| sounds like your're getting too fuel from idle to around 2000rpm range. in order to help you we need to know how you regulate your fuel. does it seem to run well around town? are you saying that the rebuild made no diference with this problem. are the plugs stock ones and gapped right, how about cams? | 
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Aug 3rd, 2008, 08:34 AM
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#5 | | 200+ posts and climbing
Join Date: Apr 2007 Location: Central Valley, CA
Posts: 210 Model: 2005 RoadGlide, 1996 RoadKing, 2005 Delu Interests: Motorcycles, Grandkids Occupation: HD Service Tech
| The 96 ECM is not programmable. To do upgrades you need to replace it with the ECM from a 98. Then download a new program that is closer to what you are running. The only drawback is there might not be a program tally matches your components. So, installation of a power commander will probably be the only way to properly tune the new engine. | |
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Aug 3rd, 2008, 05:07 PM
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#6 | | Newbie
Join Date: Aug 2008
Posts: 5
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Thanks for your comments
The '96 ECM is not programmable as VTBR8ER suggests.
What is the differance between the '96 & '98
Is this unit available in the US? I doubt if it would be available here
Regards | |
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Aug 3rd, 2008, 08:39 PM
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#7 | | Has posted 500+
Join Date: Apr 2006 Location: Alvin TX
Posts: 1,710 Model: 03 E Glide X cop bike Interests: My family Old Dodge truck's Riding My Glide Occupation: Retired truck Driver
| besthelper where are you located ? , I 'am not up to date on the EFI , but do know you can program the 98 model as my brother has one , he has a pc11 on his 98 E glide | |
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Aug 3rd, 2008, 10:05 PM
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#8 | | Newbie
Join Date: Aug 2008
Posts: 5
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Cowboy,
I'm located in Sydney Australia | |
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Aug 4th, 2008, 11:20 PM
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#9 | | 200+ posts and climbing
Join Date: Apr 2007 Location: Central Valley, CA
Posts: 210 Model: 2005 RoadGlide, 1996 RoadKing, 2005 Delu Interests: Motorcycles, Grandkids Occupation: HD Service Tech
| The ecm is a standard part for the 98 and should be able to be bought wherever they sell parts for the Harley. If your local parts guy isn't willing to help you with looking it up let me know and I can get you the part number for it. Sorry, don't have all the manuals at home. | |
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