If you're looking for the best spark plugs for your Harley Davidson, it's essential to consider a few factors before making your purchase. Firstly, you'll want to determine the specific model and year of your bike, as different spark plugs may be recommended for different Harley Davidson models. Additionally, consider your riding style and any modifications you've made to your bike, as these factors can impact the type of spark plug that will optimize performance. Finally, take into account your budget and preferred brand, as there are a variety of options available on the market.
When it comes to buying spark plugs for your Harley Davidson, it's important to prioritize quality and performance. Look for spark plugs that offer excellent heat dissipation capabilities and a long lifespan to ensure optimal ignition and combustion. Additionally, consider spark plugs that are specifically designed for high-performance engines, as they can enhance power, fuel efficiency, and throttle response.
Are you tired of experiencing poor ignition or misfires during your Harley Davidson rides? Are you looking to maximize your bike's performance and fuel efficiency? In this article, we'll explore the best spark plugs for Harley Davidsons, taking into account various models and riding styles. We'll discuss the factors to consider before buying spark plugs and provide expert recommendations to help you make an informed decision. Whether you're a casual rider or a passionate Harley enthusiast, this article will guide you in finding the perfect spark plugs to optimize your bike's performance. Stay tuned for our in-depth analysis and unbiased reviews!
10 Best Spark Plugs For Harley Davidson
| # | Product Image | Product Name | Product Notes | Check Price |
|---|---|---|---|---|
|
1
|
 |
The product is ideal for improving engine performance and sparking efficiency, replacing OEM spark plugs.
|
|
|
|
2
|
 |
The V-Twin Performance Spark Plugs are ideal for replacing the spark plug #6R12 in Harley motorcycles.
|
|
|
|
3
|
 |
The product is ideal for providing optimal sparking performance and improving overall engine efficiency in Harley-Davidson Sportster 1200 Custom XL1200C models from 1996-2019.
|
|
|
|
4
|
 |
The product is ideal for improving the ignition performance of Harley Davidson big twin FXD Dyna Softail motorcycles.
|
|
|
|
5
|
 |
The Accel 2418 Spark Plugs (Pair) 6R12 are ideal for improving the performance and ignition efficiency of Harley Davidson Twin Cam engines.
|
|
|
|
6
|
 |
Ideal for improving ignition performance and spark delivery in Harley Davidson Big Twin FXD Dyna Softail motorcycles.
|
|
|
|
7
|
 |
The NGK Spark Plugs 6046 Iridium IX Spark Plug is ideal for improving the performance of Harley-Davidson Twin Cam and XL engines.
|
|
|
|
8
|
 |
Ideal for improving the ignition system performance of Harley Davidson Big Twin 99-19 FXD Dyna Softail motorcycles.
|
|
|
|
9
|
 |
The NGK #6046 Iridium Spark Plugs are ideal for improving the performance and efficiency of Harley-Davidson Twin Cam and XL engines.
|
|
|
|
10
|
 |
The product is ideal for enhancing the performance of Harley Davidson Softail Slim Twin Cam motorcycles.
|
|
1. Harley Sportster Roadster Xl 1200r Iridium Performance Spark Plugs Pair Repl. Oem# 6r12
Introducing the epitome of spark plug technology and performance, the Iridium Electrode Spark Plug. Designed to revolutionize your engine's ignition system, this spark plug is equipped with an iridium electrode that is smaller than a standard electrode. This unique feature allows it to operate at a lower voltage, resulting in a more efficient and powerful spark.
Not only does this spark plug deliver a hotter spark, but it also boasts an extended service life compared to conventional plugs. Say goodbye to frequent spark plug replacements and enjoy the peace of mind that comes with a longer-lasting solution.
One look at the Iridium Electrode Spark Plug and you'll notice its distinct black ceramic housing, which not only adds a touch of elegance but also serves as a thermal insulator. This ceramic material helps to dissipate heat, ensuring optimal performance even in the most demanding conditions.
To further enhance its durability, the spark plug features a gold-colored corrosion-protected coating on its metal shell. This coating acts as a shield, safeguarding the plug against environmental elements and preventing premature wear and tear.
For your convenience, the Iridium Electrode Spark Plug is sold in pairs, providing you with a complete solution for your engine. No need to worry about compatibility, as this spark plug is designed to replace Harley# 6R12 and NGK# DCPR7EIX plugs seamlessly.
Upgrade your engine's ignition system with the Iridium Electrode Spark Plug and experience unparalleled performance and longevity. Whether you're a motorcycle enthusiast or a seasoned rider, this spark plug is a game-changer that will take your engine to new heights.
Invest in the future of spark plug technology and watch as your engine ignites with power and efficiency. Don't settle for anything less than the best – choose the Iridium Electrode Spark Plug and elevate your riding experience like never before.
2. V-Twin Performance Spark Plugs Replaces Harley Spark Plug #6r12.
Introducing the V-Twin Performance Spark Plugs, a high-quality accessory designed to enhance your motorcycle's performance. These spark plugs are specifically engineered to meet the demanding needs of V-Twin engines, ensuring optimal power and efficiency.
One of the standout features of these spark plugs is the copper core electrode, which contributes to their impressive longevity. This copper core design allows for a longer service life, meaning you can enjoy reliable performance for an extended period before needing to replace them.
Additionally, the V-Twin Performance Spark Plugs boast a nickel-plated housing. This nickel plating not only enhances the visual appeal of the spark plugs but also provides excellent corrosion resistance. This feature ensures that the spark plugs remain in pristine condition, even in challenging weather conditions or during long rides.
The 95% pure alumina insulator is another notable aspect of these spark plugs. This high-quality insulator ensures efficient heat transfer, preventing the spark plugs from overheating and potentially causing damage to your engine. With the V-Twin Performance Spark Plugs, you can have peace of mind knowing that your motorcycle's engine will remain cool and protected.
To ensure a leak-free seal and optimal performance, these spark plugs undergo a heat crimping process during manufacturing. This process guarantees a secure connection between the spark plug and the engine, eliminating any potential leakage issues. With this sturdy seal, you can trust that the spark plugs will deliver consistent performance and maintain a reliable connection.
The V-Twin Performance Spark Plugs are compatible with a wide range of Harley-Davidson models, including FLT (1999-2016), FXST (1999-UP), FLST (1999-UP), FXD (1999-2017), and XL (1986-UP). This versatility makes them an excellent choice for many V-Twin enthusiasts, regardless of their specific motorcycle model.
Please note that the color of the spark plug may vary. However, rest assured that this variation in color does not affect the performance or quality of the product in any way. It is simply a cosmetic difference that does not compromise the functionality of the spark plugs.
3. Ngk Resistor Sparkplug Dcpr7e For Harley-Davidson Sportster 1200 Custom Xl1200c 1996-2019
The NGK Standard Sparkplug is a reliable and essential component for ensuring the smooth operation of engines worldwide. With its OEM quality, this sparkplug is designed to meet the highest standards of performance and durability.
One of the standout features of the NGK Standard Sparkplug is its triple-gasket sealing process. This innovative design provides a secure and tight seal, minimizing the risk of leakage and ensuring optimal combustion efficiency. As a result, you can expect consistent and reliable performance from your engine.
The NGK Standard Sparkplug has earned its reputation as the plug of choice in millions of vehicles. This is due to its outstanding performance and compatibility with a wide range of machines. To find out if this sparkplug is suitable for your specific machine, please refer to the fitment guide image provided.
When it comes to maintaining your engine's performance, choosing a high-quality sparkplug is essential. The NGK Standard Sparkplug offers exceptional longevity and reliability, making it an ideal choice for both professional mechanics and DIY enthusiasts. With this sparkplug, you can trust that your engine will start effortlessly and run smoothly, even under demanding conditions.
In addition to its impressive performance, the NGK Standard Sparkplug is also easy to install. Whether you're a seasoned mechanic or a beginner, you'll appreciate the user-friendly design that allows for hassle-free installation.
Investing in the NGK Standard Sparkplug is a wise choice for anyone looking to optimize their engine's performance. With its OEM quality, triple-gasket sealing process, and consistent performance, this sparkplug delivers exceptional results. Join the millions of satisfied users who have made the NGK Standard Sparkplug their top choice for reliable and efficient engine operation.
Please note that there are various machines this sparkplug fits, and for a comprehensive list, we recommend referring to the fitment guide image. Ensure compatibility with your specific machine before making a purchase to enjoy all the benefits that the NGK Standard Sparkplug has to offer.
4. Xtremeamazing Red Harley Spark Plug Wires – Ultimate Performance!
Introducing the versatile and reliable Wire Replacement Kit in Red. This kit is perfect for a variety of purposes, including replacement wire, relocation kits, creating a new look for your bike, or customizing bobbers, scramblers, and cafe racers.
Designed to be compatible with Harley-Davidson Dyna models from 2000 to 2017 and Softail models from 1999 to 2017, this wire replacement kit is a must-have for any motorcycle enthusiast.
The package includes two pre-crimped wires, each measuring 8" long and 10.4mm wide, and 20" long and 10.4mm wide respectively. These wires are meticulously crafted to ensure durability and functionality.
With this wire replacement kit, you can easily replace worn-out or damaged wires, enhance the look of your bike, or even customize your ride to reflect your personal style. Its vibrant red color adds a touch of boldness and uniqueness to your motorcycle.
Don't settle for subpar wires that may fail or compromise the performance of your bike. Upgrade to this premium wire replacement kit and enjoy enhanced reliability and peace of mind.
Whether you're a seasoned biker looking to revamp your ride or a DIY enthusiast in need of reliable wires for your motorcycle project, this Wire Replacement Kit in Red is the ideal choice. Order yours today and take your bike to the next level of style and functionality.
5. Accel 2418 Spark Plugs (Pair) 6r12 For Harley Davidson Twin Cam
Introducing the Accel High Performance Spark Plugs designed specifically for Harley-Davidson motorcycles. Engineered to deliver optimum performance, these spark plugs are suitable for all Harley Davidson Twin Cam 1450/1550cc models manufactured from 1999 onwards.
With Accel High Performance Spark Plugs, you can expect a noticeable increase in power at high RPMs. These spark plugs are designed to produce a larger spark, resulting in improved throttle response and enhanced fuel economy. Say goodbye to fouling issues and experience a smoother ride with these high-quality spark plugs.
Accel High Performance Spark Plugs come with the part number 2418, which conveniently replaces the OEM part 6R12. This ensures a hassle-free installation process and compatibility with your Harley-Davidson motorcycle. These spark plugs are sold in pairs, allowing you to replace both plugs simultaneously for optimal performance.
Upgrade your Harley-Davidson motorcycle with Accel High Performance Spark Plugs and enjoy the benefits of increased power, improved throttle response, and enhanced fuel economy. These spark plugs are specifically designed for your Harley Davidson Twin Cam 1450/1550cc models from 1999 onwards, ensuring a perfect fit and superior performance.
Invest in Accel High Performance Spark Plugs today and experience the difference they can make in your Harley-Davidson ride. Unleash the full potential of your motorcycle with these high-quality spark plugs, designed to deliver reliable and consistent performance on every ride.
Don't settle for anything less than the best for your Harley-Davidson. Choose Accel High Performance Spark Plugs and enjoy a smoother, more powerful ride. Upgrade your spark plugs today and experience the difference for yourself.
6. Harley Davidson Big Twin Fxd Spark Plug Wires
Introducing the versatile and high-quality Blue Wire Replacement Kit for Harley-Davidson motorcycles. Whether you're in need of a replacement wire, looking to upgrade your bike's appearance, or working on a custom project such as bobbers, scramblers, or cafe racers, this kit is the perfect solution.
Designed specifically for Harley-Davidson Dyna 2000-2017 and Softail 1999-2017 models, this wire kit is compatible with a wide range of motorcycle models, ensuring a seamless fit and reliable performance.
The package includes two pre-crimped wires, each with a length of either 8 inches or 20 inches and a width of 10.4mm. This ensures that you have the right length and thickness to suit your specific needs.
Crafted with precision and attention to detail, these wires are built to last. They are made from high-quality materials that are known for their durability and reliability, so you can ride with confidence knowing that your wires will withstand the test of time.
Installation is a breeze with this wire replacement kit. The pre-crimped ends make it easy to connect the wires to your motorcycle's existing electrical system.
Not only does this wire kit offer practical benefits, but it also adds a touch of style to your ride. The vibrant blue color adds a pop of personality to your bike, allowing you to showcase your individuality and stand out from the crowd.
Whether you're a seasoned motorcycle enthusiast or a DIY hobbyist, this Blue Wire Replacement Kit is a must-have. It provides a cost-effective solution for various applications, from simple wire replacements to complex custom projects.
Upgrade your Harley-Davidson motorcycle with confidence using this reliable and versatile wire replacement kit. Get yours today and experience the difference it can make in your riding experience.
7. 10.4mm 10mm Spark Plug Wire Compatible With Harley Davidson Big Twin 99-19 Fxd Dyna Softail (Red)
The DYNA-409RD Spark Plug Wires are the perfect replacement for your Harley-Davidson or Big-Twin motorcycle. Designed to replace the manufacturer part number, these wires fit virtually like the factory location on the cylinder, making installation a breeze.
Whether you're looking to upgrade your ignition system for street or race applications, these high-performance 10.4mm wires are just what you need. With their reliable quality and durability, these wires are built to last, ensuring optimal performance for your motorcycle.
In addition to their functionality, these spark plug wires are also a great option for those looking to enhance the appearance of their bike. Whether you're building a bobber, scrambler, cafe racer, or simply want a new look, these wires are a perfect fit. The package includes two red spark plug wires, one 8" and one 20" long, both pre-crimped for easy installation.
Don't settle for subpar spark plug wires that may compromise the performance of your motorcycle. Upgrade to the DYNA-409RD Spark Plug Wires and experience the difference in both functionality and aesthetics. With their perfect fitment and high-quality construction, you can trust that these wires will deliver reliable and consistent performance.
Invest in the best for your Harley-Davidson or Big-Twin motorcycle. Upgrade to the DYNA-409RD Spark Plug Wires today and enjoy enhanced ignition performance and a stylish look for your bike.
8. Ngk # 6046 Iridium Spark Plugs — Dcpr7eix — For Harley-Davidson Twin Cam And Xl — 4 Pcs New
The NGK 6046 spark plugs have now been replaced by the NGK 97637 DCPR7EIX. As the newest number in the NGK lineup, these spark plugs offer exceptional performance and longevity. NGK is a renowned brand and the world's largest supplier of OEM spark plugs. It is no surprise that their spark plugs are often specified as original equipment in various vehicles.
With this listing, you will receive a set of 4 NGK 97637 spark plugs. These spark plugs are designed to deliver optimal performance and reliability for your engine. Whether you have a car, motorcycle, or any other vehicle, NGK spark plugs are a great choice.
The NGK 97637 spark plugs are crafted with precision and expertise. They are engineered to provide a perfect combination of performance and longevity. When it comes to spark plugs, NGK is a trusted name in the industry.
These spark plugs are compatible with a wide range of vehicles, ensuring a perfect fit and proper function. NGK spark plugs are known for their durability and ability to withstand extreme conditions. Whether you are driving in hot summer temperatures or freezing winter weather, these spark plugs will keep your engine running smoothly.
Installing the NGK 97637 spark plugs is a breeze. They are designed for easy installation, allowing you to replace your old spark plugs without any hassle. With their high-quality construction, these spark plugs will deliver consistent and reliable spark to ignite the air-fuel mixture in your engine.
When it comes to maintaining the performance of your vehicle, choosing the right spark plugs is essential. NGK spark plugs are trusted by professionals and enthusiasts alike for their exceptional quality and performance. With the NGK 97637 spark plugs, you can ensure that your engine is running at its best.
9. Iridium Performance Spark Plugs Pair For Harley Softail Slim Twin Cam Repl. Harley# 6r12
Introducing the pinnacle of spark plug technology and unrivaled performance, the Iridium Spark Plug. Designed with precision and engineered to perfection, this spark plug is a game-changer in the automotive industry.
One of the standout features of this spark plug is its iridium electrode, which is smaller than a standard electrode. This innovative design requires less voltage to deliver a powerful and consistent spark. The result? A hotter spark that ignites the air-fuel mixture with utmost efficiency, leading to improved engine performance and fuel economy.
Not only does this spark plug provide a hotter spark, but it also boasts an extended service life compared to conventional plugs. Thanks to the iridium electrode's exceptional durability, you can enjoy longer intervals between spark plug replacements, saving you time and money in the long run.
In terms of aesthetics, this spark plug showcases a distinctive black ceramic with a gold-colored corrosion-protected coating on its metal shell. Not only does this coating enhance the plug's visual appeal, but it also ensures long-lasting protection against corrosion, allowing it to withstand the harshest of environments.
For your convenience, this product is sold in pairs, ensuring that you have everything you need to complete your spark plug replacement. With its compatibility to Harley# 6R12 and NGK# DCPR7EIX, you can rest assured that this spark plug is designed to meet the highest standards and specifications.
Upgrade your vehicle's ignition system with the Iridium Spark Plug and experience the difference in performance, reliability, and longevity. Whether you're a seasoned car enthusiast or a casual driver, this spark plug is the perfect choice for anyone looking to enhance their driving experience. Trust in the power of cutting-edge technology and make every journey an unforgettable one with the Iridium Spark Plug.
Best Spark Plugs For Harley Davidson FAQs
Are there any additional accessories or tools required for changing spark plugs in a Harley Davidson?
When changing spark plugs in a Harley Davidson, there are a few additional accessories and tools that can be helpful. Firstly, you will need a spark plug socket that is specifically designed for your Harley Davidson model. This socket will have a rubber insert to securely hold the spark plug during removal and installation.
Additionally, it is recommended to have a torque wrench to ensure that the spark plugs are tightened to the manufacturer's specifications. This is important as over-tightening or under-tightening the spark plugs can lead to issues with the engine.
You may also need a spark plug gap tool to check and adjust the gap between the spark plug electrodes. This ensures that the spark plug is properly calibrated for optimal performance.
Lastly, it is advisable to have a wire brush or spark plug cleaner to remove any carbon deposits or debris from the spark plug before installation. This helps maintain a clean and efficient spark.
Overall, while these accessories are not absolutely necessary, they can greatly assist in the smooth and accurate replacement of spark plugs in a Harley Davidson.
Are there any aftermarket spark plugs that offer better performance than the stock ones for Harley Davidson bikes?
Yes, there are aftermarket spark plugs available for Harley Davidson bikes that claim to offer better performance compared to the stock ones. These aftermarket spark plugs are designed to provide improved ignition, better fuel efficiency, and enhanced power delivery. Some popular brands that offer high-performance spark plugs for Harley Davidson bikes include NGK, Bosch, and Denso.
It is important to note that the performance gains from aftermarket spark plugs may vary depending on the specific bike model and its modifications. Additionally, it is recommended to consult with a trusted mechanic or refer to the manufacturer's guidelines to ensure compatibility and proper installation.
In some cases, upgrading the spark plug wires and ignition coils in conjunction with the spark plugs can further optimize the performance of your Harley Davidson bike. Overall, it is advisable to do thorough research and consider the specific needs and requirements of your bike before choosing aftermarket spark plugs for improved performance.
Are there any spark plugs specifically designed for Harley Davidson bikes with modifications or upgrades?
Yes, there are spark plugs specifically designed for Harley Davidson bikes with modifications or upgrades. These spark plugs are often referred to as "performance spark plugs" or "high-performance spark plugs." They are designed to provide improved ignition and combustion efficiency, resulting in better engine performance and power output.
When it comes to choosing the right spark plugs for your modified or upgraded Harley Davidson bike, it is important to consider factors such as the specific modifications done to the engine, the intended use of the bike (racing, touring, etc.), and the manufacturer's recommendations.
Some popular brands that offer performance spark plugs for Harley Davidson bikes include NGK, E3, and Denso. These spark plugs are typically made with advanced materials, such as iridium or platinum, which offer better durability and conductivity than conventional spark plugs.
It is recommended to consult with a knowledgeable motorcycle mechanic or refer to the manufacturer's guidelines to determine the most suitable spark plugs for your modified Harley Davidson bike.
Are there any specific spark plug brands that are known for their compatibility with Harley Davidson motorcycles?
When it comes to spark plug brands that are known for their compatibility with Harley Davidson motorcycles, there are a few options that are often recommended. One popular brand is NGK, which offers a range of spark plugs designed specifically for Harley Davidson bikes. NGK plugs are known for their high quality and reliable performance, making them a trusted choice for many Harley riders.
Another brand that is often recommended is Champion. Champion spark plugs have a long history in the automotive industry and are known for their durability and performance. They offer spark plugs that are compatible with Harley Davidson motorcycles and are designed to withstand the demands of these powerful machines.
It's important to note that while these brands are often recommended, it's always a good idea to consult your motorcycle's owner manual or speak with a trusted mechanic to ensure you are selecting the right spark plugs for your specific Harley Davidson model.
Are there specific spark plugs recommended for different models of Harley Davidson bikes?
Yes, there are specific spark plugs recommended for different models of Harley Davidson bikes. Harley Davidson provides recommendations for spark plug types and specifications in their official service manuals for each model. These recommendations are based on factors such as engine design, fuel type, and performance requirements.
It is crucial to use the recommended spark plugs to ensure optimal performance and longevity of the engine. Using the wrong spark plugs can lead to issues such as misfires, reduced power, and decreased fuel efficiency.
To determine the correct spark plugs for your Harley Davidson bike, you can consult the owner's manual or contact a Harley Davidson dealership or authorized service center. They will be able to provide you with the specific spark plug part numbers or suggest suitable alternatives if the recommended plugs are not available.
Remember to always follow the manufacturer's guidelines when it comes to spark plug selection and maintenance to ensure the best performance and reliability for your Harley Davidson bike.
Can using the wrong type of spark plugs cause any damage to a Harley Davidson engine?
Using the wrong type of spark plugs can potentially cause damage to a Harley Davidson engine. Spark plugs play a crucial role in the combustion process by igniting the air-fuel mixture in the combustion chamber. Each engine is designed to work optimally with specific spark plugs that have been selected based on factors such as heat range, electrode gap, and thread reach.
Using the wrong type of spark plugs, such as those with incorrect heat range or electrode gap, can lead to several issues. One possible consequence is improper combustion, which can result in reduced engine performance, decreased fuel efficiency, and increased emissions. Additionally, using spark plugs with incorrect thread reach may lead to improper sealing, potentially causing oil or fuel leaks.
To avoid damaging the engine, it is important to consult the Harley Davidson owner's manual or seek advice from a qualified mechanic to determine the correct spark plugs for your specific model and year. Installing the recommended spark plugs will help ensure optimal engine performance, longevity, and overall reliability.
How often should spark plugs be replaced in a Harley Davidson?
The frequency of spark plug replacement in a Harley Davidson can vary depending on several factors. Typically, it is recommended to replace spark plugs every 10,000-15,000 miles or once every two to three years, whichever comes first. However, this can differ based on the model, riding conditions, and maintenance practices.
It's important to regularly inspect the spark plugs for signs of wear or damage, such as worn electrodes or excessive carbon buildup. Additionally, if you notice any performance issues like misfires, rough idling, or reduced fuel efficiency, it may be necessary to replace the spark plugs sooner.
To ensure optimal performance and longevity, it's advisable to follow the manufacturer's recommendations and consult the owner's manual for your specific Harley Davidson model. If you're unsure or need further guidance, it's always a good idea to consult with a certified mechanic or Harley Davidson dealership for professional advice tailored to your motorcycle.
What are the benefits of using high-performance spark plugs in a Harley Davidson?
Using high-performance spark plugs in a Harley Davidson can offer several benefits. Firstly, high-performance spark plugs are designed to ignite the air-fuel mixture more efficiently, resulting in improved combustion. This can lead to increased horsepower and torque, providing a noticeable boost in overall performance.
Secondly, high-performance spark plugs often have enhanced durability and longevity compared to standard plugs. They are built to withstand higher temperatures and pressures, which can be particularly beneficial for Harley Davidson engines that are known for their power and intensity.
Furthermore, high-performance spark plugs can contribute to better fuel efficiency. By ensuring a more complete combustion process, they can help optimize fuel consumption and reduce wastage, ultimately saving you money on fuel costs.
Lastly, upgrading to high-performance spark plugs can enhance the overall reliability of your Harley Davidson. They are typically engineered with advanced materials and technology, which can improve ignition reliability and reduce the risk of misfires or engine issues.
Overall, using high-performance spark plugs in a Harley Davidson can result in improved performance, durability, fuel efficiency, and reliability, making it a worthwhile upgrade for motorcycle enthusiasts.
What are the signs that indicate it's time to change the spark plugs in a Harley Davidson?
There are several signs that indicate it may be time to change the spark plugs in your Harley Davidson. One common sign is a decrease in engine performance. If you notice a drop in power, rough idling, or difficulty starting your motorcycle, it could be due to worn-out spark plugs.
Another sign is poor fuel economy. If you find yourself filling up the gas tank more frequently than usual, it might be a result of inefficient combustion caused by worn spark plugs. Additionally, misfires and backfires can also be indicators of spark plug issues.
Inspecting the spark plugs visually can also provide clues. If the electrode is worn down or covered in carbon deposits, it's a clear sign that replacement is necessary.
In general, it is recommended to change the spark plugs on a Harley Davidson every 10,000-12,000 miles, or as specified by the manufacturer. However, it's important to consult your motorcycle's owner manual or a certified mechanic for specific recommendations based on your model and riding habits.
What are the top-rated spark plugs for Harley Davidson motorcycles?
When it comes to spark plugs for Harley Davidson motorcycles, there are several top-rated options available. One highly recommended spark plug brand for Harley Davidson bikes is NGK. NGK offers a range of spark plugs that are specifically designed for Harley Davidson engines, providing excellent performance and durability. Another popular choice is the Champion spark plugs, which are known for their reliability and consistent spark. Additionally, some Harley Davidson riders also prefer Bosch spark plugs, which offer good ignition performance and are known for their longevity. It's important to choose the right spark plug for your specific Harley Davidson model and engine requirements. Consulting your motorcycle's manual or seeking advice from a trusted mechanic can help you make an informed decision. Ultimately, the best spark plug for your Harley Davidson motorcycle may depend on factors such as your riding style, engine modifications, and personal preferences.