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What is an ATV Ignition Coil?

Your ATV ignition coil is a square shaped box that contains one to three wires. These lead into a wiring harness. There is one larger wire that leads to the spark plug.

The ignition coil may have a removable spark plug wire, but many of them do not have this. The wire that leads to the spark plug is covered by a thick rubber cover and is separated by a piece of plastic. You can replace it separately from the ignition coil itself.

What Does an ATV Ignition Coil Do?

The purpose of your ATV ignition coil is to pick up on the high voltage pulse that is sent to the spark plug. The cover around the ignition coil ensures that no energy escapes along the way. This pulse is what triggers the air and fuel mixture in the cylinder and essentially begins the combustion process for your ATV.

The ignition system is responsible for delivering the spark to the flammable fuel that triggers the small explosion we know as the combustion process.

Your ATV ignition coil is a common maintenance item that will usually need to be replaced at some point. They are inexpensive so it’s not recommended that you purchase a used quad ignition coil.

When to Replace Your Quad Ignition Coil?

It’s important to understand that while it might be a small and inexpensive part, a 4 wheeler ignition coil is an important piece of equipment. If your ignition coil is failing, the engine cannot do its job. That issue can become a significant safety and performance hazard if you ignore it.

Here are some signs it might be time to replace your ATV ignition coil.

Backfiring

If you sense a strong fuel smell and your ATV is spitting out a lot of black smoke, it means your engine is misfiring. That means it’s releasing unused fuel through the exhaust.

When this happens, it’s usually due to worn or damaged ignition coils. Keep in mind that this is a safety hazard and not something you want to ignore.

Lower Fuel Economy

If you’re finding that you need to replace the fuel in your ATV more often, this could be because your ignition coil is using more fuel to complete the same combustion process. This happens due to the misfiring. Because more attempts are required, more fuel is being used.

Stalling

If you’re noticing that your ATV is stalling more often, it means that your ignition coil has stopped working. This is also true if you’re having a hard time getting it started. It’s because your spark plug isn’t receiving enough power from the battery. The ignition coil isn’t creating enough of an explosion to get everything going.

We have a number of 125cc ignition coils for 2-stroke engines and more available right here. If you’re looking for a new ignition coil for your ATV, look no further. Reach out to us if you have any questions or can’t find what you’re looking for!