Harley Davidson Sportster Coil Problems - Symptoms and Ways to Fix

If you're experiencing problems with your Harley Davidson Motorcycle performance, maybe it is because of a damaged Sportster ignition coil. It may result in various problems such as in power, signal, flow, or even open circuits, and it will surely affect how your vehicle runs. 

Well, we've got all of these covered from symptoms to solutions, and will definitely help you fix your coil problems. 

For those who don't know, ignition coils are responsible for the compact electrical transformation from low voltage to a higher one in order to ignite the fuel and start your motorcycle engine.

Thus, if your Sportster ignition coil is in bad shape, it cannot supply the needed voltage. This simple problem can lead to further damages if not resolved immediately and properly.

Harley Davidson Sportster coil problems

Symptoms of Harley Davidson Bad Sportster Coil

  • Poor fuel competence. If your motorcycle is consuming more fuel compared to usual amounts, there's a high possibility that is caused by a damaged Sportster ignition coil.
  • Engines that do not work.Since the Sportster ignition coil is mainly responsible for starting the engine of the motorcycle, an engine that fails to start is a significant result of a bad coil.
  • Backfiring engine.Another common symptom of a damaged Sportster ignition coil is when your engine backfires. This happens when the combustion occurs outside the engine's combustion cylinder as a result of more or less amount of fuel.
  • Misfiring engine. After igniting, your engine produces loud noisy sounds like it's coughing or sputtering, then it is a sign that your Sportster ignition coil is not working properly.
  • Vehicle Stalling. If your motorcycle is stalling, then your coil is malfunctioning. This happens when the Sportsters ignition coil started to send irregular sparks to the spark plug causing it to stall.
  • Rough Idling. If your Sportster's engine experiences rough idling, your coil is probably damaged and needs replacement.

Ways on How to FIx Harley Davidson Sportster Coil Problems

The best way to fix your Sportster coil problem is to replace the coil with a new one. In this way, you can be sure that your new coil will work properly and will not lead to further damage. Usually, Harley Davidson Sportster coil can range from $50 to $90 depending on where you will buy it. 

Here are the basic steps on how to change your Sportster ignition coil. 

  • Disconnect the negative terminal on your battery.
  • Find the damaged coil and disconnect the wire that leads to it.
  • Unscrew the bolts and detach the damaged coil.
  • Set up and install the new coil. Remember to always check first the compatibility of the coil with your vehicle's engine.

On the other side, there are alternative ways on how to fix your Sportster coil problems. You can repair the damaged coil or replace it with a CDI Unit. However, this would be very hard for Harley's owners and other mechanics to do since Harley's coils are much more complex. Furthermore, it will not give the assurance that it will function properly after repairing or replacement.

Conclusion

Having a damaged Sportster coil is just a usual problem for a motorcycle owner. However, you must know when it is not working appropriately and fix it immediately to avoid further damage. Always try to maintain the function quality of your coil to have a safe and marvelous adventure with your Harley Davidson motorcycle. 

C
CarAraC Research

About the authors

The CarAraC research team is composed of seasoned auto mechanics and automotive industry professionals, including individuals with advanced degrees and certifications in their field. Our team members boast prestigious credentials, reflecting their extensive knowledge and skills. These qualifications include: IMI: Institute of the Motor Industry, ASE-Certified Master Automobile Technicians; Coventry University, Graduate of MA in Automotive Journalism; Politecnico di Torino, Italy, MS Automotive Engineering; Ss. Cyril and Methodius University in Skopje, Mechanical University in Skopje; TOC Automotive College; DHA Suffa University, Department of Mechanical Engineering

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