Question about Harley Davidson XL 1200 C Sportster Custom Motorcycles

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No spark 1988 Harley Davidson XL1200 Sportster

I have a 1988 Harley Davidson Sportster 1200 and I'm not getting a spark from the coil I'm getting power could it be the stator cuz I just got the bike and it looks like to me there's no electronic ignition like it was bypassed what would I do if it's bypass like that @

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  • Harley Davidson Master
  • 59,811 Answers

Hi, Justin and the usual suspects are:
1. Fouled spark plugs.
2. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
3. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
4. Loose connection at the ignition coil or plug between ignition sensor and module.
5. Spark plug cables in bad condition, shorting/leaking, spark plug cable connections loose check for spark leakage in the dark.
6. Faulty ignition coil or electronic control module.
7. Faulty pulse coil.
8. Faulty CKP, CMP, or BAS sensor.
9. Faulty ignition switch.
10. Faulty run/off switch
11. Tilt sensor needs a reset.
12. Security alarm failing to disarm needs reset
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at xlch@mail.com. Good luck and have a wonderful day.
https://www.hdforums.com/forum/sportster-models/1190269-help-no-spark-1988-sportster-1200-a.html
https://www.youtube.com/watch?v=B8kjjnupGTk
http://www.mediafire.com/file/nc0vlqn31bb4477/70-03_Harley_Sportster_Service_Manual.pdf/file
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
https://serviceinfo.harley-davidson.com/sip/service/document/6300?highlight=1998+sportster+owner
https://www.6ya.com/ To speak to me personally $6

Posted on Nov 12, 2019

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6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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wd4ity

wd4ity

  • 4565 Answers

SOURCE: 1999 police harley davidson rewired bike with new harnmess power

If you have power going to the coil but no spark, you've got something wrong with the "triggering" circuit of you ignition system.

One other thing, if your engine is the TC88 engine, (first year of production for some models) it probably has a "compression sensor" on it. If you have no compression, you will not have any spark. If you have your plugs out of the engine, you have no compression. So, screw a set of plugs into the engine, leave another set in the wires and grounded against the engine to test the spark.

The "triggering system" uses the signal from the ignition timing sensor that is located in the "nose cone" of the engine. Check this wiring from the ignition unit's "Black box" to the sensor. I seem to remember a plug that plugs in for this unit.

I'm afraid that this is about the only help I can give you with a stock ignition unit as I usually work with either earlier igniton systems or aftermarket units. I have very little experience with "stock" Harley units.

Posted on Dec 20, 2009

jonsnell4

JonSnell Electronic

  • 30711 Answers

SOURCE: How to bypass keyed ignition in Harley Davidson 1200 sportster

See an HD dealer. It might not be your bike, so I won't advise.

Posted on Sep 07, 2017

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