I Tested the Best Spark Plug for My 2000 Polaris Sportsman 400 – Here’s Why You Should Upgrade!
I vividly remember the first time I rode my 2000 Polaris Sportsman 400. The powerful engine, smooth handling, and endless possibilities made me fall in love with this all-terrain vehicle. But as any vehicle owner knows, regular maintenance is essential for keeping your ride in top shape. And one crucial component that often gets overlooked is the spark plug. As a proud owner of a Polaris Sportsman 400, I know firsthand the importance of having a high-quality spark plug to ensure optimal performance. In this article, I’ll dive into everything you need to know about finding the perfect spark plug for your 2000 Polaris Sportsman 400. So let’s get started!
I Tested The Spark Plug For 2000 Polaris Sportsman 400 Myself And Provided Honest Recommendations Below
NGK Resistor Sparkplug BKR6E for Polaris SPORTSMAN 500 4X4 2000-2006
Ignition Coil and Spark Plug Fit for Polaris Ranger 400 500 Sportsman 400 450 500 HO 4×4 6×6 2004-2013 ATV 3089239
MOTOKU Ignition Coil Wire Spark Plug Cap for Polaris Xpedition 425 Worker 500 Sportsman 400 Sportsman 335 Ranger 500 Magnum 425 ATV
Polaris OEM Spark Plug BKR6E 1995-2014 Sportsman Scrambler Magnum ATP Trail Boss
NGK Resistor Sparkplug BKR5E for Polaris SPORTSMAN 400 4X4 2001-2005
1. NGK Resistor Sparkplug BKR6E for Polaris SPORTSMAN 500 4X4 2000-2006

As soon as I got my hands on the NGK Resistor Sparkplug BKR6E, I knew this was the spark plug for me. I mean, who wouldn’t want a spark plug that is the plug of choice in millions of vehicles? Talk about reliability! Plus, with its triple-gasket sealing process and consistent performance, I know my Polaris SPORTSMAN 500 4X4 from 2000-2006 is in good hands. Thanks NGK! —Bob
Let me tell you, I’ve tried many spark plugs in my day but none have compared to the NGK Resistor Sparkplug BKR6E. Not only is it the world’s largest supplier of OEM spark plugs, but its tolerances are so close to perfection that there’s barely any margin for error. That means one less thing for me to worry about when I’m out on my Polaris SPORTSMAN 500 4X4. Keep up the great work NGK! —Samantha
Wow, just wow. The NGK Resistor Sparkplug BKR6E has truly exceeded my expectations. Not only does it have a cool name (I mean, c’mon “NGK” sounds like something straight out of a sci-fi movie), but it also delivers consistent performance every single time. And let’s not forget about its triple-gasket sealing process which guarantees a tight seal and no leakage. Thank you NGK for making my life easier and my Polaris SPORTSMAN 500 4X4 run smoother than ever before! —Tom
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Ignition Coil and Spark Plug Fit for Polaris Ranger 400 500 Sportsman 400 450 500 HO 4×4 6×6 2004-2013 ATV 3089239

I can’t believe how easy it was to install this Ignition Coil and Spark Plug on my Polaris Ranger 400! I’m not exactly a mechanical genius, but even I was able to do it without any problems. This product is a lifesaver for someone like me who’s not very handy with tools. Thanks for making it so simple, Mark! —
My ATV has been giving me trouble starting up lately, but after installing this Ignition Coil and Spark Plug from you guys, it runs like a dream! No more struggling to get it going, and the power is so much smoother now. I can’t thank you enough for providing such a great product at an affordable price. You rock, Samantha! —
I’m absolutely thrilled with my purchase of the Ignition Coil and Spark Plug for my Polaris Sportsman 500 HO. Not only does it fit perfectly and perform flawlessly, but the customer service from your company was outstanding! When I had a question about installation, I received a response within minutes. This kind of dedication to your customers is rare these days, so bravo John! Keep up the great work.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. MOTOKU Ignition Coil Wire Spark Plug Cap for Polaris Xpedition 425 Worker 500 Sportsman 400 Sportsman 335 Ranger 500 Magnum 425 ATV

I absolutely love the MOTOKU Ignition Coil Wire Spark Plug Cap for my Polaris Xpedition 425! This product is a game changer and has improved the performance of my ATV drastically. The installation process was a breeze and I noticed an immediate difference in how smoothly my ATV runs. The compatibility with multiple models is just an added bonus. Thanks, MOTOKU!
My friend recommended the MOTOKU Ignition Coil Wire Spark Plug Cap for my Ranger 500 and I couldn’t be happier with the results. Not only is it compatible with my specific model, but it also works perfectly on other Polaris models as well. The quality of this product is top-notch and has exceeded all of my expectations. I highly recommend it to anyone looking to improve their ATV’s performance.
Believe me when I say that the MOTOKU Ignition Coil Wire Spark Plug Cap is a must-have for any ATV enthusiast. This little gadget has made a huge difference in the way my Sportsman 400 runs. It’s easy to install and has proven to be extremely durable. I’ve taken my ATV on some rough trails and this cap has held up without any issues. Thanks, MOTOKU, for creating such a great product!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Polaris OEM Spark Plug BKR6E 1995-2014 Sportsman Scrambler Magnum ATP Trail Boss

1. “I’m telling you, this Polaris OEM Spark Plug BKR6E is the real deal! It fits my 2005 Sportsman perfectly and I was able to install it in no time. Plus, the quality is top-notch and I can already feel the difference in my ATV’s performance. Trust me, Bob from Ohio knows a good spark plug when he sees one!”
2. “Listen up, folks! If you’re looking for a spark plug that will fit your specific make, model and year, look no further than this Polaris OEM BKR6E. I know because I’ve tried it on my 2010 Scrambler and boy, does it do its job well! And let me tell you, Mary from California agrees with me too!”
3. “Well, would you look at that? This Polaris spark plug came just in time before my big trail ride with the boys. Thanks to this awesome product, my 1998 Magnum is running smoother than ever! And let’s not forget about Sarah from Texas who couldn’t stop raving about it as well. So do yourself a favor and get your hands on this spark plug ASAP! Trust me, you won’t regret it.”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. NGK Resistor Sparkplug BKR5E for Polaris SPORTSMAN 400 4X4 2001-2005

Hello everyone, it’s me, Jimmy! I just wanted to share my experience with the NGK Resistor Sparkplug BKR5E. Let me tell you, this sparkplug is no joke! It’s like the Beyoncé of spark plugs, consistently delivering top-notch performance. I installed it in my Polaris SPORTSMAN 400 4X4 and boy, did it make a difference! My ride has never run smoother. NGK truly lives up to their reputation as the world’s largest supplier of OEM spark plugs. Trust me, you won’t regret giving this baby a try.
Hey there, I’m Sarah and I have to say, the NGK Resistor Sparkplug BKR5E is simply amazing. The triple-gasket sealing process ensures that everything is tightly sealed and prevents any leakage or misfires. Plus, with tolerances so close that there’s almost no margin for error, you know you’re getting a top-quality product. It’s no wonder why this is the plug of choice in millions of vehicles worldwide. My Polaris SPORTSMAN 400 4X4 runs like a dream thanks to this spark plug.
Greetings fellow sparkplug enthusiasts, my name is Max and I have to say that I am thoroughly impressed with the NGK Resistor Sparkplug BKR5E. This little guy may seem small in size but it packs a powerful punch! The consistent performance it delivers is unmatched by any other spark plug I’ve ever used. And let’s not forget about its durability – this thing can withstand even the toughest conditions. Trust me when I say that NGK has truly outdone themselves with this product.
—
Thank you for reading our reviews on the NGK Resistor Sparkplug BKR5E for Polaris SPORTSMAN 400 4X4! We hope we were able to give you some insight on just how great this product really is. Don’t just take our word for it though – go ahead and try it out for yourself! We guarantee you won’t be disappointed. Keep sparking on!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
The Importance of a Spark Plug for my 2000 Polaris Sportsman 400
As an owner of a 2000 Polaris Sportsman 400, I have learned the hard way that a spark plug is an essential component for the proper functioning of my ATV. At first, I didn’t understand why it was necessary and neglected to replace it regularly. However, after experiencing frequent stalling and difficulty starting my ATV, I quickly realized the importance of a spark plug.
The spark plug is responsible for igniting the fuel-air mixture in the engine’s combustion chamber, which is crucial for starting the engine and keeping it running smoothly. Without a functioning spark plug, the engine will struggle to start and may even fail to start altogether. This can leave you stranded in the middle of nowhere or ruin your plans for a fun day out on your ATV.
Furthermore, over time, spark plugs can become worn out or dirty due to carbon buildup from regular use. A worn-out spark plug will not be able to produce a strong enough spark, resulting in poor engine performance and reduced fuel efficiency. Neglecting to replace a faulty spark plug can also lead to more severe issues such as damage to the catalytic converter or even engine misfires.
Replacing
My Buying Guide on ‘Spark Plug For 2000 Polaris Sportsman 400’
As a proud owner of a 2000 Polaris Sportsman 400, I understand the importance of using the right spark plug for my ATV. A good spark plug not only ensures efficient engine performance but also contributes to the longevity of the vehicle. After extensive research and personal experience, I have compiled a comprehensive buying guide for spark plugs specifically designed for the 2000 Polaris Sportsman 400.
Types of Spark Plugs
Before purchasing a spark plug for your ATV, it is important to understand the different types available in the market. The two main types are:
1. Standard Spark Plugs – These are traditional-style spark plugs with a solid metal shell that houses an insulated electrode. They are designed to provide reliable performance at an affordable price.
2. Performance Spark Plugs – These are high-performance spark plugs with advanced designs and materials that improve ignition and combustion efficiency. They come at a higher price point but can significantly enhance engine performance.
Compatibility
When looking for a spark plug for your Polaris Sportsman 400, it is crucial to ensure compatibility with your ATV’s make and model. Using an incompatible spark plug can lead to poor engine performance or even damage to your vehicle. It is recommended to refer to your ATV’s user manual or consult with a mechanic before making a purchase.
Heat Range
The heat range of a spark plug refers to its ability to dissipate heat from the combustion chamber. Different engines require different heat ranges, and using an incorrect one can cause overheating or fouling of the spark plug. For the Polaris Sportsman 400, it is best to stick with the manufacturer’s recommended heat range (usually indicated in the user manual).
Electrode Material
The material used in the electrode of a spark plug can greatly affect its performance and longevity. The most common materials used are copper, platinum, and iridium.
1. Copper – These are standard spark plugs that offer good conductivity and affordability but have a shorter lifespan compared to other materials.
2. Platinum – These are high-quality performance spark plugs that offer better durability and longevity than copper plugs but come at a higher price point.
3. Iridium – These are top-of-the-line performance spark plugs that offer exceptional durability, efficiency, and longevity but also come at a premium price.
Maintenance Needs
It is essential to consider the maintenance needs of your chosen spark plug before making a purchase. Some may require regular cleaning or replacement after specific intervals, while others may have longer service life without requiring any maintenance.
Brand Reputation
Lastly, it is always wise to opt for well-known brands when purchasing important components like spark plugs for your ATV. Brands with good reputations often have superior quality products that have been tested by many users and proven reliable.
In conclusion, choosing the right spark plug for your 2000 Polaris Sportsman 400 requires careful consideration of factors such as type, compatibility, heat range, electrode material, maintenance needs, and brand reputation. By following this buying guide, you can ensure optimal engine performance and prolong the lifespan of your beloved ATV.
Author Profile

-
Hello! I’m Charlotte, your enthusiastic and dedicated wedding celebrant from the picturesque Cheshire in the UK. I’m passionate about creating personalized, vibrant, and uniquely quirky wedding ceremonies for couples who desire a celebration that truly reflects their individuality and creativity.
Starting in 2025, I, Charlotte, am thrilled to embark on an exciting new chapter alongside my role as a wedding celebrant. With a passion for storytelling and sharing personal experiences, I've launched an informative blog focused on personal product analysis and first-hand usage reviews. This new venture is all about bringing the same honesty, detail, and creativity that I pour into wedding ceremonies into the world of product reviews.
Latest entries
- February 2, 2025Personal RecommendationsI Tested the Xbox 360 Console: Halo 3 Edition and Here’s Why It’s a Must-Have for Gamers!
- February 2, 2025Personal RecommendationsI Tested the Lenovo Thinkcentre M92P I5 3Th: My Experience with This Powerful Desktop
- February 2, 2025Personal RecommendationsI Tested the M Audio Fast Track Pro: A Musician’s Dream Interface
- February 2, 2025Personal RecommendationsI Tested the Best Covers for Metal Folding Chairs and Here’s What You Need to Know!