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NGK motorcycle spark plugs

Find the Best Motorcycle Spark Plugs

If you’re looking for a high-quality spark plug that is more than likely going to have a stock-number for your specific motorcycle, check out NGK.

NGK has been a reliable, industry standard since pretty much the beginning.

They’ve got a variety of spark plug types to meet the needs of almost every motorcycle.

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About NGK Spark Plugs

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NGK is a Japanese based spark plug manufacturer that’s been around since 1936.

These have become standard OEM equipment for many Japanese bikes – like Hondas – and other motorcycles all over the world.

NGK seems to have a spark plug for every use case and every application, you’d be hard-pressed to not be able to find an NGK-equivalent of the plug you need.

They cover 95% of import and domestic vehicles and are designed to meet or exceed that standards of the OEM requirements.

NGK spark plugs feature:

  • Iridium, platinum, and nickle construction depending on the application.
  • Quality, durable threads to prevent cross threading and cylinder head damage.
  • Plating that doesn’t require anti-seize lubricant.
  • Options for your daily driver and your performance bikes.

NGK spark plugs are a solid choice. If you’ve got a Japanese motorcycle, chances are pretty good that these were already the OE. If you’re looking to upgrade your stock plugs, these are a great option too and will more than likely have a model-number that suits your application.


Which spark plug does your motorcycle need?

Before you start buying spark plugs, you’ve got to realize that they’re not a one-size-fits all part.

Your motorcycle’s service manual will tell you exactly which type of spark plug you’ll need.

Often times, this will include a specific brand. If that’s the case and you’re looking to switch to a new spark plug manufacturer, there are plenty of conversion/compatibility tables out there and each brand typically has some fitment/application specs.

There are a few reasons why you’ll need to get the right spark plug for your bike, including differences in:

  • Size (thread size and length).
  • Heat range.
  • Plug gap.
  • Materials.

If you install the wrong spark plugs in your motorcycle or have an improper plug gap, you may experience:

  • Power loss.
  • Misfires.
  • Plug fouling.
  • Bad gas mileage.
  • Damage to the pistons or cylinder walls.

What is the best spark plug for motorcycles?

In addition to NGK spark plugs, some other great choices for the best spark plugs for your motorcycle include:

Accel

Accel Motorcycle Spark Plugs

Accel spark plugs are popular among American muscle and performance cars as well as domestic motorcycles like Harley-Davidsons.

Good, quality plugs that deliver adequate power for a solid combustion.


Autolite

Autolite Spark Plugs

Autolite spark plugs are more common in automobiles, but have some great options for motorcycles as well.


Denso

Denso Motorcycle Spark Plug

Denso spark plugs are another Japanese-based manufacturer that have been around for quite some time.

These are another plug that are commonly found in OE applications.


Is it time for some new spark plugs?

If you keep your motorcycle well maintained, you don’t have to replace your spark plugs all that often.

The time to replace you spark plugs depends on:

  • How often you ride.
  • The type of riding you do.
  • How well your bike is tuned.
  • The quality of the spark plug you have.

If you’re experiencing performance issues with your bike, the spark plugs are a good first place to check before you get into any bigger repairs or maintenance work. Plug your plugs and take a look at their color and confirm the plug gap. These two things can tell you a lot. Check out our spark plug color chart for more information on reading plugs.

When you’re tuning your carbs and performing plug chops, it’s always best to start with some fresh spark plugs. If you’re doing a full rebuild, it definitely doesn’t hurt to have a few backups on hand.

There you have it! Get some new spark plugs and get back on the road.


Do you have experiences with any of these spark plug brands? Maybe you’re using something different? Share your experience in the comments below.

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