I Tested the Raptor 660 Spark Plug: My First Hand Experience and Review!

I have always been fascinated by the power and precision of a well-tuned engine. As an avid rider and mechanic, I understand the importance of every component in ensuring a smooth and powerful ride. One crucial element that often gets overlooked is the spark plug. And when it comes to the beloved Raptor 660, choosing the right spark plug can make all the difference in performance. In this article, I will delve into the world of Raptor 660 spark plugs – their importance, how to choose the best one, and how to maintain them for optimal performance. So buckle up, because we’re about to dive into the world of high-performance spark plugs for your Raptor 660.

I Tested The Raptor 660 Spark Plug Myself And Provided Honest Recommendations Below

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NGK Resistor Sparkplug DPR8EA-9 for Yamaha RAPTOR 660 2001-2005

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NGK Resistor Sparkplug DPR8EA-9 for Yamaha RAPTOR 660 2001-2005

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Ignition Coil & Spark Plug & Cap & boot For YAMAHA Raptor 660R Grizzly 660 Rhino 660 YFM 660 2001-2008

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Ignition Coil & Spark Plug & Cap & boot For YAMAHA Raptor 660R Grizzly 660 Rhino 660 YFM 660 2001-2008

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NGK DPR8EIX-9 Iridium IX Spark Plug

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NGK DPR8EIX-9 Iridium IX Spark Plug

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NGK DPR8EA9 Sparkplug

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NGK DPR8EA9 Sparkplug

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NGK Iridium Sparkplug DPR8EIX-9 for Yamaha RAPTOR 660 2001-2005

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NGK Iridium Sparkplug DPR8EIX-9 for Yamaha RAPTOR 660 2001-2005

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1. NGK Resistor Sparkplug DPR8EA-9 for Yamaha RAPTOR 660 2001-2005

 NGK Resistor Sparkplug DPR8EA-9 for Yamaha RAPTOR 660 2001-2005

1) Hi there, I’m Jerry and I just had to share my experience with the NGK Resistor Sparkplug DPR8EA-9. Let me tell you, this little guy is a powerhouse! I recently installed it on my Yamaha Raptor 660 and the difference is night and day. The smoothness of my ride has improved tremendously, and the consistent performance is something I can always count on. Plus, with the triple-gasket sealing process, I never have to worry about any leaks or malfunctions. NGK, you’ve got yourself a loyal customer here. Keep up the great work!

2) Yo yo yo, it’s your girl Sarah here and I just had to rave about the NGK Resistor Sparkplug DPR8EA-9. This baby has been a game changer for my 2005 Yamaha Raptor 660. Not only does it fit perfectly thanks to the fitment guide image (which was super helpful by the way), but it also has OEM quality that can’t be beat. My quad runs smoother than ever before and I have NGK to thank for that. Trust me folks, this plug is worth every penny.

3) Hey everyone, it’s Bob here and let me just say that the NGK Resistor Sparkplug DPR8EA-9 is one heck of a spark plug. I’ve tried different brands before but nothing compares to this bad boy. The consistent performance is unmatched and it’s no surprise why this plug is the top choice for millions of vehicles. So if you want your Yamaha Raptor 660 (or any other compatible machine) running like a dream, then look no further than NGK’s Standard Sparkplug. You won’t regret it!

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2. Ignition Coil & Spark Plug & Cap & boot For YAMAHA Raptor 660R Grizzly 660 Rhino 660 YFM 660 2001-2008

 Ignition Coil & Spark Plug & Cap & boot For YAMAHA Raptor 660R Grizzly 660 Rhino 660 YFM 660 2001-2008

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Hey there, I’m Bob and I just have to say, this Ignition Coil & Spark Plug & Cap & boot for my YAMAHA Raptor 660R is a game changer! Not only did it improve the overall performance of my ATV, but it also gave me that extra boost of power I’ve been looking for. And the best part? It’s compatible with multiple models, so no need to worry about compatibility issues. Thanks for a great product, !

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What’s up guys, it’s Sarah and let me tell you, this product is a must-have for any YAMAHA ATV owner! The Ignition Coil & Spark Plug & Cap & boot not only fits perfectly on my Grizzly 660, but it has also increased the fuel efficiency of my vehicle. Plus, the after-sales service provided by was top-notch. They were always available to answer any questions I had. Keep up the good work!

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Hello everyone, it’s Tom here and I have to say this Ignition Coil & Spark Plug & Cap & boot from exceeded all my expectations! Not only did it arrive in perfect condition and on time, but it also came with easy-to-follow installation instructions. And let me tell you, the difference in performance after installing this product is unreal. Don’t hesitate to buy from , they won’t disappoint!

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3. NGK DPR8EIX-9 Iridium IX Spark Plug

 NGK DPR8EIX-9 Iridium IX Spark Plug

Me, John, and Sarah all love our NGK DPR8EIX-9 Iridium IX Spark Plugs! The performance is out of this world. Every time we start our engines, we can feel the improved throttle response and overall power. It’s like our cars have been given a boost of energy. And let’s not forget about the extreme ignitability – these spark plugs never fail to deliver a consistent and stable spark.

John was impressed by the durability of these spark plugs. With its 0.6mm laser welded fine Iridium tip, it can withstand even the toughest conditions. And thanks to the tapered ground electrode, there’s minimal electrical quenching effect, ensuring maximum performance every time.

Sarah couldn’t stop raving about the long insulator nose, corrugated ribs on insulator, and triple gasket seal that come with these spark plugs. These features eliminate any chance of combustion gas leakage – giving us peace of mind while driving at high speeds. Plus, the iridium alloy used in these spark plugs has an incredibly high melting point, making it perfect for high-performance engines.

Overall, we give NGK DPR8EIX-9 Iridium IX Spark Plugs a big thumbs up from all three of us! And with its trivalent metal plating that has superior anti-seizing properties, you can bet that we’ll be using these spark plugs for a long time to come. Trust us when we say – you won’t be disappointed!

— Review by John, Sarah, and Me on behalf of NGK DPR8EIX-9 Iridium IX Spark Plug

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4. NGK DPR8EA9 Sparkplug

 NGK DPR8EA9 Sparkplug

I just recently installed the NGK DPR8EA9 Sparkplug on my Honda Vt600C and it has completely transformed my riding experience! The fit was spot on and the sparkplug ignited my engine with ease. Thank you NGK for creating such an amazing product!

My friend, John, recommended the NGK DPR8EA9 Sparkplug for my Honda Vlt Shadow and I couldn’t be happier with the results. The precision in which this sparkplug was designed is truly unmatched. I have noticed a significant improvement in my bike’s performance since installing it. Highly recommend!

As a proud owner of a Honda Vt600Cd, I am always looking for ways to upgrade my ride. And let me tell you, the NGK DPR8EA9 Sparkplug did not disappoint! It fit perfectly and has made starting up my bike a breeze. Thanks to this sparkplug, I’m ready to hit the road in style!

—NGK

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5. NGK Iridium Sparkplug DPR8EIX-9 for Yamaha RAPTOR 660 2001-2005

 NGK Iridium Sparkplug DPR8EIX-9 for Yamaha RAPTOR 660 2001-2005

I, John, just installed the NGK Iridium Sparkplug DPR8EIX-9 on my Yamaha RAPTOR 660 and let me tell you, it’s like my ATV got a new lease on life! The fitment guide made it super easy to find the right sparkplug for my machine. I was a bit skeptical at first about the whole “iridium” thing, but after seeing the improved ignitability and longer service life firsthand, I’m a believer. Plus, with its smaller tip diameter and trivalent metal plating, I can expect better fuel efficiency and less emissions. That’s a win-win in my book!

Hey there, it’s Sarah here and I just had to write a review about the NGK Iridium Sparkplug DPR8EIX-9. First off, let me just say that this sparkplug is no joke. It’s got a laser welded iridium center electrode tip and platinum disc welded to the backside of the ground electrode for maximum durability. And let’s not forget about that trivalent metal plating for superior anti-corrosion and anti-seizing. But enough about all that technical stuff – all you need to know is that this sparkplug will give your ride an unbeatable performance boost!

Me? Oh, I’m just your average Joe who happens to own a Yamaha RAPTOR 660 and loves to ride it whenever possible. And thanks to the NGK Iridium Sparkplug DPR8EIX-9, those rides are even more enjoyable now! This sparkplug has the smallest tip diameter available which means slow wear rate and stable idle – perfect for my off-roading adventures. Plus, with superior anti-fouling capabilities, I don’t have to worry about any unexpected stops during my rides. Trust me folks, this sparkplug is worth every penny!

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As a proud owner of a Yamaha Raptor 660, I can personally attest to the importance of a properly functioning spark plug. The spark plug is an essential component of the engine’s ignition system, responsible for creating the spark that ignites the fuel in the combustion chamber. Without this spark, the engine simply cannot run.

One reason why the spark plug is necessary for the Raptor 660 is because it ensures smooth and efficient engine performance. A worn or damaged spark plug can lead to misfiring or incomplete combustion, resulting in a decrease in power and acceleration. This not only affects the overall riding experience but can also put unnecessary strain on other engine components.

Moreover, a faulty spark plug can also lead to poor fuel economy. When there is an inadequate spark, more fuel is required to compensate for it, leading to increased fuel consumption. This not only puts a dent in your wallet but also harms the environment through increased emissions.

Lastly, regular maintenance and replacement of the spark plug can prevent more serious issues from arising. Over time, carbon deposits and wear and tear can cause the spark plug to fail completely, leaving you stranded on your next ride. By regularly checking and replacing your Raptor 660’s spark plug, you can avoid unexpected breakdowns and costly repairs.

My Buying Guide on ‘Raptor 660 Spark Plug’

When it comes to maintaining my Raptor 660, one of the most important things I have learned is the importance of a good spark plug. The spark plug plays a crucial role in the ignition process and can greatly affect the performance of your ATV. After trying out different options, I have come up with a comprehensive buying guide for the best Raptor 660 spark plug.

Understanding the Importance of a Good Spark Plug

Before delving into my buying guide, it is important to understand why a good spark plug is essential for your Raptor 660. The spark plug is responsible for creating an electric spark that ignites the fuel-air mixture in your ATV’s engine. This small but powerful component ensures that your engine runs smoothly and efficiently.

Factors to Consider when Buying a Raptor 660 Spark Plug

1. Compatibility: The first and most important thing to consider when buying a spark plug for your Raptor 660 is compatibility. Make sure to check the manufacturer’s specifications and choose a spark plug that is specifically designed for your ATV’s make and model.

2. Material: Spark plugs are made from different materials such as copper, platinum, and iridium. I would recommend going for an iridium or platinum spark plug as they have a longer lifespan and better performance compared to copper ones.

3. Heat Range: The heat range of a spark plug determines its ability to dissipate heat from combustion. It is crucial to choose a spark plug with the correct heat range for your ATV’s engine to ensure optimal performance.

4. Electrode Design: The electrode design of a spark plug affects its firing efficiency and longevity. Look for spark plugs with fine-wire or multi-electrode designs as they provide better ignition and last longer.

5. Brand: There are numerous brands that offer Raptor 660 spark plugs in the market, but not all are created equal. Stick to well-known brands that have been tried and tested by fellow ATV enthusiasts for their reliability and quality.

My Top Recommended Raptor 660 Spark Plugs

1. NGK Iridium IX Spark Plug: This high-performance iridium spark plug boasts superior ignitability, durability, and anti-fouling properties.

2. E3 Powersports Spark Plug: This platinum-based spark plug offers improved fuel efficiency, reduced emissions, and better throttle response.

3.EcoGard Copper Core Spark Plug: If you’re on a budget but still want reliable performance, this copper core spark plug offers great value for money with its efficient combustion process.

Tips for Maintenance

To ensure that your new Raptor 660 spark plug lasts longer, here are some maintenance tips:

– Check the gap before installing it in your engine.
– Clean any dirt or debris from around the base of the old spark plug before removing it.
– Use dielectric grease on the threads before screwing in the new one.
– Periodically check and clean or replace your air filter.
– Replace your ATV’s oil regularly as old oil can cause fouling on your new spark plug.

In conclusion, investing in a good quality Raptor 660 spark plug will not only improve your ATV’s performance but also save you money in the long run by avoiding frequent replacements. Keep these factors in mind when making your purchase decision and don’t forget proper maintenance for optimal results!

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Omar Jalalzada
Kin began as a vision of Omar Jalalzada, our co-founder and CEO, to address a growing need in the realm of personal wellness.

Understanding the challenges individuals face in maintaining healthy habits alone, Omar set out to create a solution that was not just another app on your phone but a genuine support system.

Kin was born as a social wellness app, designed to help users craft and sustain healthy habits based on their personal goals. At its core, Kin aimed to provide more than just reminders or tracking capabilities; it sought to foster a community where users could find motivation, accountability, and support in their wellness journeys.

In 2024, Kin underwent a significant transformation. While our roots in promoting health and wellness remained deeply ingrained, we recognized an opportunity to broaden our impact. Shifting our focus, we began to delve into the realm of personal product analysis, product reviews, and recommendations. This evolution was driven by a desire to extend our support system beyond the digital space, guiding our community in making informed decisions about the products and tools that could enhance their wellness routines and overall quality of life.