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20th July 2012
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Biker
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Join Date: Mar 2012
Posts: 53 Sportster/Buell Model: XLH Sportster/Buell Year: 1981
Reputation: 10
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I gots no spark
I had my 81 parked for about 3 weeks, when i finally got it out again it started right up, ran for about 30 seconds and then it stopped. I have checked all the wires (that a PO has really done a job on) and theres no shorts anywhere, starter engages motor and i have compression. I pulled the plugs and set them against the head to ground them and when i hit the start button the front plug had no spark and, the rear had very little so Im figuring my coil is bad. Is there anything else that you guys think i should check before i buy a new one? Thanks.
Jamie
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20th July 2012
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Rider Of The Iron Steed
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Join Date: Dec 2003
Location: London, ON Canada
Posts: 31,166 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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First i would do the resistance tests on the coil. Is it the original electronic ignition and matching coil? or have those been replaced with points or other ignition?
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21st July 2012
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Biker
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Join Date: Mar 2012
Posts: 53 Sportster/Buell Model: XLH Sportster/Buell Year: 1981
Reputation: 10
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Its the original electric, no points. As for the coil im not sure if its original or not. Ill post a pic so you can see.
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22nd July 2012
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Biker
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Join Date: Mar 2012
Posts: 53 Sportster/Buell Model: XLH Sportster/Buell Year: 1981
Reputation: 10
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22nd July 2012
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Senior Master Custom Bike Builder
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Join Date: Jun 2008
Location: Cornelius, OR
Posts: 7,408
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And check the resistance of the plug wires....
__________________
Ryder Rick "All oil threads should be killed"
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22nd July 2012
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Senior Custom Bike Builder
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Join Date: Oct 2010
Posts: 2,588 Sportster/Buell Model: xls roadster Sportster/Buell Year: 1982
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Quote:
Originally Posted by jamieg101
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that is the stock coil . make sure that the wires to the coil are tight , no lose conections . Nikki
__________________
the difficult can be done immediatey the impossible takes a little longer
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22nd July 2012
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Biker
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Join Date: Mar 2012
Posts: 53 Sportster/Buell Model: XLH Sportster/Buell Year: 1981
Reputation: 10
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Is there a way to check without an ohm meter? I have a multimeter but either i dont know what im doin or it doesnt read the way the book(shop manual) says. It doesnt have an Rx1 or a Rx1000 setting.
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22nd July 2012
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Biker
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Join Date: Mar 2012
Posts: 53 Sportster/Buell Model: XLH Sportster/Buell Year: 1981
Reputation: 10
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also, the shop manual says I should have a "Solid State Control Module" next to the battery thats part of the ignition system but, I have yet to find one. As I said before a PO stripped down alot of the wiring/bike. Theres no handlebar switches, turn signals etc... any ideas on where the control module could have been relocated to? Ive looked the whole bike over and havent found it yet.
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22nd July 2012
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Biker
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Join Date: Jul 2012
Posts: 57 Sportster/Buell Model: sportster Sportster/Buell Year: 1984
Reputation: 10
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My 84 did the same thing with the Crane Hi-4 ignition that came with it. No spark to the rear cylinder and weak spark up front. I ditched it for points and presto. Fired on both cylinders. Not to mention its super cheap to find the mechanical advances/points ignitions. Assuming your problem is the ignition.....Id go points. My 2 cents
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22nd July 2012
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Senior Custom Bike Builder
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Join Date: Oct 2010
Posts: 2,588 Sportster/Buell Model: xls roadster Sportster/Buell Year: 1982
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Quote:
Originally Posted by jamieg101
also, the shop manual says I should have a "Solid State Control Module" next to the battery thats part of the ignition system but, I have yet to find one. As I said before a PO stripped down alot of the wiring/bike. Theres no handlebar switches, turn signals etc... any ideas on where the control module could have been relocated to? Ive looked the whole bike over and havent found it yet.
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I would follow the wires coming out the nose cone ( the cover for the senor is located is riveted on , that is the nose cone ) they come out of the back , they should run back toward the battery to the control module , I would carefully drill out the blind rivets and see that is behind the cover. please send us photos as we can help better if we can see .Nikki |
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