Who Makes Harley Davidson Spark Plugs

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Who Makes Harley Davidson Spark Plugs

Harley Davidson is a well-known brand in the motorcycle industry, and they produce high-quality motorcycles, accessories, and parts. One of the essential parts of a motorcycle is the spark plug, which ignites the fuel in the engine. In this article, we will discuss who makes Harley Davidson spark plugs and their specifications.

Harley Davidson Spark Plugs

Harley Davidson produces spark plugs for their motorcycles, which are essential for their performance. The spark plug is a small but significant part of the engine, and it must be in good condition to ensure the motorcycle runs smoothly. The spark plug ignites the fuel mixture in the cylinder and creates the combustion that powers the engine.

Who Makes Harley Davidson Spark Plugs?

Harley Davidson spark plugs are made by NGK, which is a Japanese company that specializes in producing spark plugs and other automotive parts. NGK is a well-known brand in the automotive industry, and they have been producing high-quality spark plugs for over 80 years.

NGK Spark Plugs

NGK is the world’s largest manufacturer of spark plugs, and they produce a wide range of spark plugs for various applications, including motorcycles, cars, and marine engines. NGK spark plugs are known for their high performance, long lifespan, and reliability.

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Harley Davidson Spark Plug Specifications

Harley Davidson spark plugs come in various sizes and specifications, depending on the model of the motorcycle. The most common spark plug for Harley Davidson motorcycles is the NGK DCPR7E, which is a standard plug that fits most Harley Davidson models.

The NGK DCPR7E spark plug has a 14mm thread, a 19mm reach, and a 16mm hex size. It has a copper core that provides excellent conductivity and heat transfer, and it has a triple-sealed gasket that prevents leakage and ensures a tight seal. The NGK DCPR7E spark plug also has a platinum pad on the center electrode that enhances its durability and longevity.

Other Harley Davidson Spark Plugs

Harley Davidson produces other spark plugs for their motorcycles, depending on the model and year. Some of the other spark plugs that Harley Davidson recommends include:

  • NGK Iridium IX DCPR7EIX
  • NGK Platinum DPR7EA-9
  • NGK V-Power DCPR7E

These spark plugs have different specifications and features, but they are all designed to provide optimal performance and reliability for Harley Davidson motorcycles.

Choosing the Right Spark Plug

Choosing the right spark plug for your Harley Davidson motorcycle is essential for its performance and longevity. Harley Davidson recommends using only NGK spark plugs for their motorcycles, as they are designed and tested to meet their specifications.

Before choosing a spark plug, it is essential to check the owner’s manual or consult with a Harley Davidson dealer to ensure you select the right spark plug for your motorcycle’s model and year.

Installing Harley Davidson Spark Plugs

Installing Harley Davidson spark plugs is a straightforward process, but it requires some tools and knowledge. Before installing a new spark plug, it is essential to check the gap between the electrodes, which should be within the manufacturer’s specifications.

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To install a new spark plug, follow these steps:

  1. Remove the old spark plug using a spark plug socket and ratchet
  2. Clean the threads and the seat of the cylinder head with a wire brush
  3. Apply a small amount of anti-seize compound to the threads of the new spark plug
  4. Install the new spark plug by hand and then tighten it to the manufacturer’s specifications using a torque wrench
  5. Reinstall the spark plug wire and repeat the process for the other spark plugs.

Maintaining Harley Davidson Spark Plugs

Maintaining your Harley Davidson spark plugs is essential for their longevity and performance. It is recommended to check the spark plugs every 5,000 miles and replace them every 20,000 miles or as recommended by the manufacturer.

To check the condition of the spark plugs, remove them from the engine and inspect them for any signs of wear or damage. If the spark plug is black or oily, it may indicate a problem with the engine or fuel system, and it may need to be replaced.

Final Thoughts

Harley Davidson spark plugs are an essential part of your motorcycle’s engine, and they must be in good condition to ensure optimal performance and reliability. NGK is the manufacturer of Harley Davidson spark plugs, and they produce high-quality spark plugs that meet the manufacturer’s specifications.

Choosing the right spark plug for your Harley Davidson motorcycle is crucial, and it is essential to consult with the owner’s manual or a Harley Davidson dealer to ensure you select the right spark plug for your motorcycle’s model and year.

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By maintaining your Harley Davidson spark plugs regularly, you can ensure their longevity and performance, and enjoy a smooth and reliable ride.

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