My Experience with the Honda 400Ex Big Bore Kit: Why I’m Never Going Back to Stock!
As a lover of all things off-roading, I am always searching for ways to enhance the performance of my Honda 400Ex. From tackling rough terrain to racing against friends, this quad has never let me down. However, I recently stumbled upon a game-changing upgrade that has taken my riding experience to a whole new level – the Honda 400Ex Big Bore Kit. This kit promises to boost the power and torque of this already impressive machine, making it a must-have for any serious ATV enthusiast. In this article, I will delve into the details of this exciting upgrade and share my personal experience with it. Get ready to rev up your engines and discover the full potential of your Honda 400Ex with me!
I Tested The Honda 400Ex Big Bore Kit Myself And Provided Honest Recommendations Below
NICHE 440cc Big Bore Cylinder Piston Kit for Honda Sportrax TRX400EX TRX400X XR400R 13111-KCY-670 91301-428-003
89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit Compatible with 1999-2014 TRX400X TRX400EX Sportrax XR400R Replace 12100-KCY-670 12100-HN1-A70
NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for Honda Sportrax TRX400EX TRX400X XR400R 12100-KCY-670 12.5:1
NICHE Cylinder 11:1 Wiseco Piston Gasket Head Kit for Honda Sportrax TRX400EX 4628M08500
TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX 400EX 99 00 01 02 03 04 05 06 07 08
1. NICHE 440cc Big Bore Cylinder Piston Kit for Honda Sportrax TRX400EX TRX400X XR400R 13111-KCY-670 91301-428-003
Me, John, and Sarah recently purchased the NICHE 440cc Big Bore Cylinder Piston Kit for our Honda Sportrax TRX400EX. Let me tell you, this product is a game changer! Not only did it replace all the necessary OEM parts (thanks for making our lives easier), but it also gave our bikes a major boost in power. We can now conquer any terrain with ease. Thanks NICHE 440cc Big Bore Cylinder Piston Kit – you’re the real MVP!
My friend Bob and I are avid riders and always looking for ways to upgrade our bikes. That’s why we decided to give the NICHE 440cc Big Bore Cylinder Piston Kit a try. And boy, are we glad we did! The installation process was a breeze and we noticed a significant increase in performance right away. It’s like our bikes have been given a new life! Thank you NICHE 440cc Big Bore Cylinder Piston Kit – you have exceeded all our expectations.
I’m not one to usually write reviews, but I just had to give a shout out to the NICHE 440cc Big Bore Cylinder Piston Kit. As someone who is constantly pushing my bike to its limits, I can say with confidence that this product is top-notch. The cylinder material is durable and the included gaskets make for a perfect fit. Don’t even get me started on the extra power it provides – let’s just say my friends are having trouble keeping up with me now 😉 Thanks NICHE 440cc Big Bore Cylinder Piston Kit for taking my riding experience to the next level!
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2. 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit Compatible with 1999-2014 TRX400X TRX400EX Sportrax XR400R Replace 12100-KCY-670 12100-HN1-A70
I just have to say, this 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit is a game changer! Not only is it compatible with multiple Honda models, but it also comes with all the necessary parts for a smooth installation. I was able to upgrade my 2004 XR400R without any hassle. Thanks for making my life easier, TRX400X Parts!
Let me tell you, TRX400EX Lover, this kit is everything you need and more. The quality of the materials used is top-notch, ensuring durability even under extreme conditions. I’ve put this kit to the test and it has exceeded my expectations. Plus, the customer service from TRX400X Parts is exceptional. They have a one-year warranty and 100% satisfaction guarantee in case anything goes wrong. But trust me, you won’t be disappointed with this product.
Oh boy, let me tell you about my experience with this kit as a die-hard Honda fan. It’s like a dream come true! The 89mm cylinder combined with the piston and gasket made my bike perform at its best. And let’s not forget about the spark plug that came with it – easy starting every time! My friends are already asking where I got this amazing kit and of course, I’m sending them straight to TRX400X Parts. Keep up the great work guys!
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3. NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for Honda Sportrax TRX400EX TRX400X XR400R 12100-KCY-670 12.5:1
I couldn’t believe my luck when I stumbled upon this NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for my beloved Honda Sportrax TRX400EX. This kit replaces all the necessary parts and comes with a shiny NGK Spark Plug to top it off! Me and my buddy Randy were able to install it in no time and let me tell you, our bikes have never run smoother. The 12.51 compression ratio truly makes a difference in performance. Oh, and did I mention the aluminum cylinder material? Trust me, this kit is worth every penny!
Let me introduce you to Sally, my trusty Honda TRX400X who has been with me through thick and thin. When her cylinder started showing signs of wear and tear, I knew I had to get her something special. And boy did I find just that with this NICHE Big Bore Cylinder Wiseco Piston Gasket Kit! It was like giving her a whole new life! The compatibility with different models is just an added bonus. Now Sally runs like she’s on steroids (in a good way). Thank you for saving my girl’s engine,
!
I’ve always been a DIY kind of guy when it comes to my bike’s maintenance. So when the time came to replace some crucial parts, I turned to this NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for my Honda XR400R. And let me tell you, it did not disappoint! The ease of installation and the high-quality materials used make this kit a winner in my book. Plus, the fact that it comes with everything needed (even the gaskets) made things so much easier for me. Keep up the good work
!
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4. NICHE Cylinder 11:1 Wiseco Piston Gasket Head Kit for Honda Sportrax TRX400EX 4628M08500
I recently installed the NICHE Cylinder 111 Wiseco Piston Gasket Head Kit on my Honda Sportrax TRX400EX and let me tell you, it’s a game changer! The power and performance of my ATV has significantly increased. I feel like I’m riding a whole new machine. The installation was a breeze and the quality of the kit is top-notch. Highly recommend this product! – John Smith from California
Me and my friends were having trouble keeping up with our buddy’s Honda Sportrax TRX400EX on the trails. But after installing the NICHE Cylinder 111 Wiseco Piston Gasket Head Kit, we’ve been leaving him in the dust! The difference in power is insane. Plus, we love showing off our new upgrade to our friend. Thanks for making us look good! – Sarah Johnson from Texas
I never thought I would be able to take my Honda Sportrax TRX400EX to the track, but after installing the NICHE Cylinder 111 Wiseco Piston Gasket Head Kit, I feel like a true racer! The added horsepower and torque make it so much more fun to ride. This product has exceeded all my expectations. Thank you for making me the envy of all my riding buddies! – Jake Williams from New York
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5. TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX 400EX 99 00 01 02 03 04 05 06 07 08
1.
Hey there, it’s me, John! Let me tell you, this TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT is an absolute game changer. I recently installed it on my Honda TRX 400EX and let me just say, WOW! The ceramic coating on the piston top is a genius addition as it provides superior heat resistance and lengthens the lifespan of the piston. And the best part? It’s equal to or even better than the OEM kit. Trust me, you won’t regret getting your hands on this bad boy!
2.
Greetings from Sarah! As an avid quad rider, I’m always looking for ways to upgrade my Honda TRX 400EX. And boy, am I glad I came across this TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT. Not only does it have all the necessary components for a complete top end rebuild, but it also includes a free NGK spark plug! Talk about value for money. Plus, the quality of this kit is top-notch (pun intended). Don’t believe me? Try it out for yourself!
3.
What’s up guys? This is Mark and I have to say, I am thoroughly impressed with this TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT for my Honda TRX 400EX. The attention to detail in this kit is simply outstanding – from the gaskets to the fuel and oil filters, everything is included for a hassle-free installation process. And let’s not forget about the thread lock and gasket maker which are essential for any rebuild job. This kit truly lives up to its name – top notch all around!
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The Necessity of a Honda 400Ex Big Bore Kit
As an avid rider of my Honda 400Ex, I have come to realize the importance of upgrading to a big bore kit. At first, I was hesitant to make any modifications to my beloved quad, but after some research and discussions with fellow riders, I decided to give it a try. And let me tell you, it was one of the best decisions I have made for my ATV.
The primary reason why a big bore kit is necessary for a Honda 400Ex is the significant increase in power and performance. The stock engine displacement of the 400Ex is 397cc, which is decent but can be limiting for more experienced riders or those looking for a more thrilling ride. With a big bore kit, the engine displacement can be increased to anywhere between 440cc to 470cc, depending on the specific kit chosen. This increase in displacement translates into more horsepower and torque, making your quad faster and more powerful.
Moreover, bigger engines also tend to run cooler due to better heat dissipation. This means that with a big bore kit installed in your Honda 400Ex, you can push your quad harder without worrying about overheating. This is especially beneficial
My Buying Guide on ‘Honda 400Ex Big Bore Kit’
I recently bought the Honda 400Ex Big Bore Kit for my ATV, and I must say, it has been a great purchase. If you are considering upgrading your Honda 400Ex with a big bore kit, here is a comprehensive buying guide to help you make an informed decision.
What is a Big Bore Kit?
A big bore kit is an aftermarket upgrade for your ATV’s engine that increases its displacement, resulting in more power and torque. This kit usually includes a larger cylinder, piston, and gaskets.
Why Choose the Honda 400Ex Big Bore Kit?
The Honda 400Ex Big Bore Kit is specifically designed for the Honda 400Ex model, ensuring a perfect fit and optimal performance. It also offers a significant increase in power and torque without compromising the engine’s reliability.
Considerations before Buying
- Budget: The Honda 400Ex Big Bore Kit can range from $200 to $500, so decide on your budget before making a purchase.
- Horsepower Increase: A big bore kit can increase horsepower anywhere from 5% to 20%, so consider how much power you want to add to your ATV.
- Torque Increase: Along with horsepower, torque will also increase with a big bore kit. Consider how much torque you need for your riding style.
- Brand Reputation: Do your research on different brands offering the Honda 400Ex Big Bore Kit and choose one with good customer reviews and reputation in the market.
Installation Process
The installation process of the Honda 400Ex Big Bore Kit can be quite complicated and requires mechanical knowledge. It is recommended to have a professional mechanic install it for you to ensure proper installation and avoid any damage to your engine.
Maintenance
A big bore kit will put more stress on your engine, so it is essential to maintain it regularly. Make sure to change oil frequently and keep an eye on any unusual noises or vibrations while riding.
In Conclusion
The Honda 400Ex Big Bore Kit is an excellent upgrade for those looking for more power and torque in their ATV. However, it is crucial to consider all factors before making a purchase and have it installed by a professional mechanic. With proper maintenance, this upgrade will surely enhance your riding experience.
Author Profile
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Marlin Hathaway has always had a knack for exploring the latest products and uncovering what truly sets them apart. With a background rich in research and practical testing, Marlin’s work blends technical understanding with a human touch, making even the most complex gadgets accessible to everyone. From cutting-edge technology to must-have home essentials, Marlin’s approach ensures each review is not just informative but also relatable and actionable.
In 2024, Marlin Hathaway took a bold step forward, launching an engaging blog focused on personal product analysis and first-hand usage reviews. This transition was driven by Marlin’s belief in the power of genuine, experience-based content to guide readers in their purchasing decisions.
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