No spark??
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Joined: Aug 2022
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From: Massachusetts
No spark??
My 88 sporty all of a sudden died the other day and I replaced the spark plugs no spark thought it was the coil so I replaced that and still no spark now I just replaced the ignition module that came with a kit including a coil the module and spark plug wires, I timed the bike and everything still no spark what could be the issue???
Tourer
Joined: May 2011
Posts: 469
Likes: 158
From: Alberta
Gas - petcock issue.
Sounds dumb, but kill switch. Another one might be the ignition switch. I take it that it turns over but no spark, if so that is likely the ignition module on that age of bike has decided to call it quits. If you turned it over without a spark plug grounded that could blow the electronic ignition. Jut throwing out ideas.
Sounds dumb, but kill switch. Another one might be the ignition switch. I take it that it turns over but no spark, if so that is likely the ignition module on that age of bike has decided to call it quits. If you turned it over without a spark plug grounded that could blow the electronic ignition. Jut throwing out ideas.
Club Member
Joined: Apr 2013
Posts: 5,801
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From: Cape Cod
Not sure if the 88 Sporty has the ION sensing ignition,,,,,,,
If it does, you cannot check spark like that as the ignition has to see compression for it to fire, so the plug has to be in the head for it to work.
The use of an inline ignition tester is the only way to see that the plug is getting fire.
Something like this should work....
If it does, you cannot check spark like that as the ignition has to see compression for it to fire, so the plug has to be in the head for it to work.
The use of an inline ignition tester is the only way to see that the plug is getting fire.
Something like this should work....
Last edited by MURPHCC1; Jul 18, 2023 at 07:24 PM.
Stellar HDF Member
Joined: Feb 2013
Posts: 3,072
Likes: 1,727
From: Dallas, Texas
When ya turn the ignition on the red status LED should light up. If not, run a new wire from the nosecone unit to the ignition switch.
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From: Massachusetts
Yeah the red light blinked when ignition was turned on, put it at TDC turned the module just as the red light turned off and tightened it down
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Joined: Aug 2022
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From: Massachusetts
With the module when the red light lite up and when I turned it just as the light went out there wasnt any marking in the inspection hole could it be cause I didnt time it correctly? Idk if the TDC for my bike is the solid line in the middle or two dots or one dot its a 1988 Harley Davison Sportster XLH 883. If anyone know the TDC mark for my bike let me know but when I had it at the solid line the red light wouldnt go out no matter where I rotated the ignition module. I did do the do straw method the straw is at its highest point in cylinder 1 and in cylinder 2 the straw is lower down the hole and thats where its at now but no markings in the inspection hole.
Last edited by CipherViper; Jul 19, 2023 at 12:22 AM.
Tourer
Joined: May 2011
Posts: 469
Likes: 158
From: Alberta
Not sure if the 88 Sporty has the ION sensing ignition,,,,,,,
If it does, you cannot check spark like that as the ignition has to see compression for it to fire, so the plug has to be in the head for it to work.
The use of an inline ignition tester is the only way to see that the plug is getting fire.
Something like this should work....
https://www.amazon.com/Straight-Diag...08282738&psc=1
If it does, you cannot check spark like that as the ignition has to see compression for it to fire, so the plug has to be in the head for it to work.
The use of an inline ignition tester is the only way to see that the plug is getting fire.
Something like this should work....
https://www.amazon.com/Straight-Diag...08282738&psc=1
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