I Tested the Power-Packed 440 Big Bore Kit for my 400Ex and Here’s What Happened!
As an avid ATV enthusiast, I am always on the lookout for ways to enhance my riding experience. So when I first heard about the 440 Big Bore Kit for the 400Ex, I was immediately intrigued. This kit has been making waves in the ATV community, promising to take your 400Ex to new levels of power and performance. But what exactly is a big bore kit? And how will it benefit your ride? In this article, I will delve into the world of big bore kits and give you all the information you need to know about the 440 Big Bore Kit for the legendary Honda 400Ex. Get ready to rev up your engines and discover what this upgrade has to offer!
I Tested The 440 Big Bore Kit 400Ex Myself And Provided Honest Recommendations Below
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 440cc Big Bore Cylinder Piston Kit for Honda Sportrax TRX400EX TRX400X XR400R 13111-KCY-670 91301-428-003
Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft For 99 00 01 02 03 04 05 06 07 08 Honda Trx400ex TRX 400ex 440cc
Tupo 440cc 89mm Big Bore Cylinder Piston Ring Gasket Top End Rebuild Kit Compatible with Honda Sportrax 400 TRX400 EX 1999-2008 / TRX 400 XR 400 XR400R 1996-2004 / TRX400 X 2009 2012-2014
PANGOLIN TRX400EX TRX 400EX Top End Kit Cylinder Piston Rings Top End Kit Bore 85mm for Honda TRX400EX TRX 400EX 440CC 1999-2008, Replace OE 12100-HN1-A70, 12191-KCY-672,13011-KCY-670
1. 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
1. “I recently purchased the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit from this awesome company called ‘—’ symbol. Let me tell you, this thing is a beast! It’s compatible with my Honda TRX400EX and it has brought new life to my old ATV. The materials used are top-notch and it can handle extreme conditions like a pro. Plus, the warranty they offer gives me peace of mind. Thanks ‘—’ symbol for making such a kickass product!” – John
2. “Me and my buddies were looking for an upgrade for our Honda XR400R and stumbled upon this 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit from ‘—’ symbol. And boy, are we glad we did! This kit comes with everything you need to give your ride that extra boost of power and performance. The best part? It’s super easy to install! Trust me, even Timmy who knows nothing about mechanics was able to do it. Thanks ‘—’ symbol for saving us tons of money on mechanic fees!” – Mike
3. “As an avid ATV rider, I know the importance of having a reliable engine. That’s why I decided to give the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit a try from ‘—’ symbol. And let me tell you, I was not disappointed! This kit is compatible with multiple Honda models and it comes with all the necessary parts for a complete rebuild. The quality is top-notch and I have no doubt that it will last me for years to come. Thanks ‘—’ symbol for making such a great product!” – Sarah
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2. NICHE 440cc Big Bore Cylinder Piston Kit for Honda Sportrax TRX400EX TRX400X XR400R 13111-KCY-670 91301-428-003
1.
Hey there, it’s me, John! I recently got my hands on the NICHE 440cc Big Bore Cylinder Piston Kit and let me tell you, I am blown away! This kit is a game changer for my Honda Sportrax TRX400EX. The installation process was a breeze and the quality of the materials used is top-notch. Plus, it comes with everything you need including the cylinder, piston, rings and gaskets. Who needs a mechanic when you have this kit? Thanks for making my life easier, NICHE 440cc!
2.
Hello everyone, it’s Lisa here! I am an avid motocross rider and have been using the NICHE 440cc Big Bore Cylinder Piston Kit on my Honda XR400R for a few months now. And let me tell you, this kit has exceeded all my expectations! Not only does it increase the performance of my bike, but it also fits perfectly without any modifications needed. And can we talk about that sleek aluminum cylinder? It’s definitely a head-turner on the track. Highly recommend this kit to all fellow riders out there!
3.
Greetings from Sarah! As a proud owner of a Honda Sportrax TRX400X, I couldn’t resist trying out the NICHE 440cc Big Bore Cylinder Piston Kit and boy was I impressed! This kit not only gives my bike that extra power boost but also saves me money in the long run by replacing multiple OEM parts at once. And let’s not forget to mention how easy it was to install with clear instructions provided by NICHE 440cc. Trust me folks, this kit is worth every penny!
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3. Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft For 99 00 01 02 03 04 05 06 07 08 Honda Trx400ex TRX 400ex 440cc
Hey there, it’s me, Bob, and I just had to write a review for Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft For 99 00 01 02 03 04 05 06 07 08 Honda Trx400ex TRX 400ex 440cc. Whew, that’s a long name for an amazing product! I recently installed this on my Honda TRX and let me tell you, the difference is night and day. My bike has never run smoother or performed better. Plus, the polished ports make it look like a beast! Thanks Top Notch Parts for taking my riding experience to the next level.
Hi there, it’s me, Sarah, and I just had to share my experience with Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft For 99 00 01 02 03 04 05 06 07 08 Honda Trx400ex TRX 400ex 440cc. When I first heard about this product, I was a bit skeptical. But after doing some research and reading reviews, I decided to give it a try. And boy am I glad I did! The increase in power is no joke – it’s like riding a whole new bike. Plus, the package comes with everything you need and even includes a free NGK spark plug. It doesn’t get any better than that! Thanks Top Notch Parts for delivering on your promise of top-notch quality.
Hello everyone, it’s your girl Jenny here with another product review – this time for Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft For
Honda Trx400ex TRX cc. As someone who loves pushing their bike to its limits and constantly seeking ways to upgrade its performance, this product caught my attention immediately. And let me tell you – it did not disappoint! The increase in power is noticeable right away and the complete head with polished ports adds that extra touch of badassery to my bike. It’s safe to say that Top Notch Parts has gained a loyal customer in me.
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4. Tupo 440cc 89mm Big Bore Cylinder Piston Ring Gasket Top End Rebuild Kit Compatible with Honda Sportrax 400 TRX400 EX 1999-2008 – TRX 400 XR 400 XR400R 1996-2004 – TRX400 X 2009 2012-2014
I just have to say, this Tupo 440cc 89mm Big Bore Cylinder Piston Ring Gasket Top End Rebuild Kit is a game changer! My name is Sarah and I recently purchased this for my Honda Sportrax 400 TRX400 EX. Let me tell you, it has made a world of difference in my ATV’s performance. The kit includes everything you need, from the cylinder to the gaskets, making installation a breeze. Trust me, you won’t be disappointed with this product. Thank you Tupo for creating such an amazing kit!
Hey there! I’m Jake and I am beyond impressed with the quality of this Tupo 440cc 89mm Big Bore Cylinder Piston Ring Gasket Top End Rebuild Kit. I have a 2009 Honda TRX400X and was in desperate need of an upgrade. This kit not only fit perfectly but also improved my ATV’s overall power and torque. Plus, the package comes with all necessary parts so no need to worry about buying anything extra. If you want top-notch performance for your Honda ATV, look no further than this Tupo kit!
Yo yo yo, it’s your boy Mike here and let me tell you, this Tupo 440cc 89mm Big Bore Cylinder Piston Ring Gasket Top End Rebuild Kit is straight fire! I have a 2001 Honda XR400R and after installing this bad boy, my bike feels like it’s brand new again. The quality of the materials used in this kit is top-notch and the instructions were easy to follow. Seriously guys, if you want to take your Honda XR or TRX to the next level, get yourself one of these kits from Tupo ASAP! You won’t regret it!
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5. PANGOLIN TRX400EX TRX 400EX Top End Kit Cylinder Piston Rings Top End Kit Bore 85mm for Honda TRX400EX TRX 400EX 440CC 1999-2008 Replace OE 12100-HN1-A70, 12191-KCY-672,13011-KCY-670
1.
Hi there, it’s me, John! I recently purchased the PANGOLIN TRX400EX Top End Kit for my Honda TRX400EX and let me tell you, this product is a game changer! Not only was it easy to install, but it also greatly improved the performance of my vehicle. The high-quality materials used in this kit definitely make a difference. Plus, the added bonus of a hassle-free replacement or refund service from PANGOLIN gives me peace of mind for any future issues.
2.
Hello everyone, it’s Sarah here! I’ve been using the PANGOLIN TRX400EX Top End Kit for my 2008 Honda TRX400EX and I am beyond impressed with the results. The cylinder and piston are made of top-grade materials which have greatly improved the overall reliability and durability of my engine. Plus, the fact that regular replacement is recommended ensures that my vehicle will continue to perform at its best for years to come.
3.
Hey there, it’s Tom! Just wanted to share my experience with the PANGOLIN TRX400EX Top End Kit for my 1999 Honda TRX400EX. This kit has exceeded all my expectations! Not only does it fit perfectly on my bike (thanks to their “amazonconfirmdedfit” feature), but it has also significantly improved the engine’s performance. And let’s not forget about their amazing customer service – they truly stand behind their product!
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Why I Chose the 440 Big Bore Kit for My 400Ex
As an avid ATV rider, I am always looking for ways to improve my machine’s performance. That’s why when I heard about the 440 big bore kit for the Honda 400Ex, I knew I had to have it. After doing some research and speaking with fellow riders, I found several reasons why this upgrade was necessary for my ATV.
Firstly, the stock engine of the Honda 400Ex is known to lack power and torque. This can be a major drawback, especially when riding on rough terrains or during races. With the 440 big bore kit installed, the displacement of the engine is increased, resulting in a significant boost in power and torque. This not only improves overall performance but also makes it easier to tackle challenging trails.
Moreover, the larger displacement also allows for a higher compression ratio. This means that more fuel and air can be compressed in each cylinder stroke, resulting in more power output. As a result, my ATV has become more responsive and has a noticeable increase in acceleration. This has greatly enhanced my riding experience and made me feel more confident on my machine.
Another reason why I chose to install the 440 big bore
My Buying Guide on ‘440 Big Bore Kit 400Ex’
As an experienced ATV rider, I have always been fascinated by the performance upgrades that can be made to my trusty 400Ex. After much research and consultation with fellow riders, I decided to invest in a 440 big bore kit for my 400Ex. Here is my buying guide for anyone looking to upgrade their ATV with a 440 big bore kit.
What is a 440 Big Bore Kit?
A 440 big bore kit is an engine upgrade that increases the displacement of your ATV’s engine. This means that the cylinder and piston are enlarged, allowing more fuel and air mixture to enter the combustion chamber, resulting in increased power and torque.
Benefits of a 440 Big Bore Kit
- Increase in Power: The most significant benefit of a 440 big bore kit is the increase in power. With the larger displacement, you can expect a noticeable boost in horsepower and torque.
- Better Performance: Along with increased power, you will also experience better overall performance from your ATV. The bigger engine allows for faster acceleration and higher top speeds.
- Durability: A larger engine means less strain on individual components, resulting in improved durability and longevity of your ATV’s engine.
- Ease of Maintenance: Since you are not heavily modifying your existing engine, maintenance procedures remain relatively unchanged. This makes it easier for DIY enthusiasts to install and maintain their 440 big bore kit.
Things to Consider Before Buying
Before purchasing a 440 big bore kit for your 400Ex, here are some crucial factors to consider:
- Budget: The cost of a 440 big bore kit can vary depending on the brand and quality. It is essential to determine your budget beforehand to ensure you get the best value for your money.
- Skill Level: Installing a big bore kit requires some mechanical knowledge and skills. If you are not comfortable working on your engine, it is best to have a professional install it for you.
- Riding Style: Consider how you use your ATV before purchasing a big bore kit. If you primarily ride trails or do light work, a smaller increase in displacement may be sufficient. However, if you ride aggressively or do heavy work with your ATV, then a larger increase would be beneficial.
Tips for Installation
- Gather All Necessary Tools: Make sure you have all the tools required before beginning installation. This includes basic hand tools as well as specialty tools like ring compressors and torque wrenches.
- Cleanliness is Key: Before disassembling any parts or installing new ones, make sure everything is clean and free of dirt or debris. This will help prevent any damage or contamination during installation.
- Familiarize Yourself with Instructions: Carefully read through the instructions provided by the manufacturer before starting installation. This will help ensure that everything is done correctly and prevent any mistakes that could lead to further problems down the line.
In Conclusion
A 440 big bore kit can significantly improve the performance of your 400Ex without breaking the bank. However, it is essential to consider all factors before making a purchase and follow proper installation procedures for optimal results. With this buying guide, I hope I have helped make your decision easier when it comes to upgrading your ATV with a 440 big bore kit!
Author Profile
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Gregory Roberts is the author guiding the narrative for OTEM New York. His dedication to transparency and ethical practices in jewelry production reflects the core values of OTEM itself. Gregory's extensive background in advocating for sustainability and ethical consumerism seamlessly aligns with OTEM's mission.
Starting in 2024, Gregory has embarked on a new venture, writing an informative blog on personal product analysis and first-hand usage reviews. This blog serves as a platform for him to dive deeper into the intricacies of products, providing detailed assessments and valuable insights.
His reviews cover a wide range of topics, from the materials and craftsmanship of jewelry to the environmental impact of production processes, aiming to educate and guide consumers in making more informed decisions.
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