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1984/85 FXR Igintion problemsFXR Models |
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Mar 29th, 2009, 08:32 PM
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#1 |
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New Family
Ride: 1987 softail
Join Date: Mar 29th, 2009
Posts: 6
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1984/85 FXR Igintion problems
Ok Just got the bike had a miss in it thur all rpm range change out the whole ignition system went back to stock Mod had a screaming eagle mod in it change the coil,pick up plugs wires ect ect now the timing marks are jumping all over the place the orginal wiring for the coil is white is + blue is neg on the new wiring harness white is + red is - I supect that the coil is hooked up backwards not sure how do u tell the + term on a stock coil or do I have the wrong coil for this vin bike the 1 thats on it now is a 3ohm but the harley parts book shows 2 diffrent coil #s right now the white + wire is hooked up to the term above the front spark plug wire
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Mar 29th, 2009, 08:34 PM
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#2 |
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Community Liaison
Ride: 07 Road King Classic
Join Date: Jun 21st, 2007
Posts: 20,469
My Mood:
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Re: 1984/85 FXR Igintion problems
Look the coil over, they usually have a tiny + on the positive side.
Another way to tell if you are brave is to pull a plug wire and hold it about 3/4"- 1" from the plug with it running, now put the tip of a pencil in the path of the spark. If it sparks towards the plug you are OK. If it sparks towards the wire, it's backwards. Feeling lucky today 
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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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Mar 29th, 2009, 08:46 PM
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#3 |
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New Family
Ride: 1987 softail
Join Date: Mar 29th, 2009
Posts: 6
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Re: 1984/85 FXR Igintion problems
Thanks I'll look at it again I didnt see a + on it this is my wifes bike so I guess I'll have to get brave it ran good before the igntion change out other than the miss been working on harleys for 20+ years and this 84/85 fxr given me a head ache
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Mar 29th, 2009, 09:44 PM
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#4 |
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Community Star
Ride: 1995 FLHTC
Join Date: Oct 14th, 2007
Location: Ontario
Posts: 743
My Mood:
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Re: 1984/85 FXR Igintion problems
The 66-84 shovel head Manual I downloaded from this site, has a electrical schematic on the very last page for a 83-84 FXE. The coil if mounted vertically shows - at the top and + at the bottom
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Mar 30th, 2009, 06:09 AM
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#5 |
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New Family
Ride: 1987 softail
Join Date: Mar 29th, 2009
Posts: 6
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Re: 1984/85 FXR Igintion problems
Thanks I'm going to switch the wires and cross my fingers and hope for the best I just bought the bike and the PPL that had it before had a very bad mechanic this miss in all the rpm range is agravating changed the carb out with an S&S the old 1 was worn out the problem with this bike as I'm finding out is that it is a cross of late 84 /early85 and it is hard to find the right parts so to speak example is the primary cover not just any fxr will fit same for the eletrical parts as in the coil that year has two diffrent part #s 1 early 1 late I sure miss the points and magneto days LOL LOL
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May 11th, 2009, 05:07 PM
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#6 | |
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New Family
Ride: 2000 electraglide
Join Date: May 11th, 2009
Posts: 1
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Re: 1984/85 FXR Igintion problems
Quote:
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