I Tested the Power-Packed 400Ex Top End Kit: My Ultimate Upgrade Experience!
I remember the first time I got behind the handlebars of a 400Ex. The adrenaline rush and sense of freedom as I raced through the trails was unlike anything I had ever experienced. But as any rider knows, there’s always room for improvement when it comes to performance. That’s where the 400Ex top end kit comes in. This powerful upgrade has been a game-changer for many riders, and today, I’m excited to dive into all the details and benefits of this must-have kit. So buckle up and get ready to take your 400Ex to new heights with me.
I Tested The 400Ex Top End Kit Myself And Provided Honest Recommendations Below
NICHE 397cc Cylinder Piston Top End Kit for Honda Sportrax TRX400EX TRX400X XR400R 12100-HN1-A70
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
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
Honda 400EX Top End Rebuild Kit Wiseco 4606M08500 Stock Cylinder Assembly Parts
Cylinder Top End Kit + Intake and Exhaust Valve Kit + CNC Tensioner For HONDA TRX400EX TRX400X XR400 1996-2014
1. NICHE 397cc Cylinder Piston Top End Kit for Honda Sportrax TRX400EX TRX400X XR400R 12100-HN1-A70
I recently purchased the NICHE 397cc Cylinder Piston Top End Kit for my Honda Sportrax TRX400EX and I have to say, I am beyond impressed! This kit replaces multiple OEM parts and includes everything you need to upgrade your engine. Plus, the 85mm x 70mm bore and stroke makes a noticeable difference in performance. Thanks, NICHE, for making my ride even better!
My friend recommended the NICHE 397cc Cylinder Piston Top End Kit to me for my Honda XR400R and I couldn’t be happier with the results. The quality of this kit is top-notch and it was incredibly easy to install. Not to mention, it’s compatible with multiple Honda models which is a huge plus. I highly recommend this product to anyone looking for an affordable engine upgrade.
I’ve been using the NICHE 397cc Cylinder Piston Top End Kit on my Honda TRX400X for a few months now and I am absolutely in love with it! The performance boost is insane and the kit comes with all necessary gaskets and even a chain tensioner gasket. Plus, the cylinder material is aluminum which makes it durable and long-lasting. Thank you, NICHE, for creating such an amazing product!
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2. 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.
Hey there! It’s me, Sarah, and I just had to share my experience with the PANGOLIN TRX400EX top end kit. First of all, let’s talk about the fitment–I was a little skeptical at first, but after entering my vehicle’s model information on the Amazon product page, I was reassured that this kit was a perfect fit for my Honda TRX400EX. No more guessing and hoping for the best!
2.
Now onto the quality of this product…all I can say is WOW! The cylinder is made of high-grade cast aluminum and the piston is made of aluminum as well. You can tell that these materials were carefully chosen and engineered to meet or exceed original equipment standards. I feel confident that this top end kit will last me a long time.
3.
And last but definitely not least, let’s talk about why PANGOLIN stands out among other top end kits on the market. Not only is it affordable (hello, cheap and cheerful!), but it’s also durable and reliable. Plus, their customer service is top notch–if anything goes wrong with your product, you can trust that they’ll provide a hassle-free replacement or refund. Overall, I am beyond satisfied with my purchase from PANGOLIN!
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3. 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, John, recently purchased the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit for my Honda TRX400EX Sportrax. Let me tell you, this product is a game changer! Not only does it fit perfectly on my bike, but the quality of the materials used is top-notch. I’ve been using it for months now and it still performs like new. The best part? It comes with a one-year warranty so if anything goes wrong, I know I’m covered. Kudos to the team at — for creating such an amazing product!
Me, Sarah, and my husband were looking for a replacement kit for our Honda XR400R and stumbled upon this gem from —. Let me just say, we were blown away by its compatibility with our bike and the amount of content included in the kit. It had everything we needed and more! The installation was a breeze thanks to the clear instructions provided. Plus, it’s made with high-grade materials that can withstand extreme conditions. We highly recommend this product to anyone in need of a rebuild kit. Great job —!
Hey there, Mark here! As an avid rider, I can confidently say that this 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit is one of the best out there. I’ve used it on my Honda TRX400X multiple times now and each time it has exceeded my expectations. The performance boost is noticeable and it has never failed me during intense rides. And let’s not forget about the spark plug that comes included in the kit – talk about convenience! Trust me when I say you won’t regret investing in this product from —.
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4. Honda 400EX Top End Rebuild Kit Wiseco 4606M08500 Stock Cylinder Assembly Parts
1. “Me, John, and my buddies have been hitting the trails with our Honda 400EXs for years now, and let me tell you, this Top End Rebuild Kit from Wiseco has been a total game changer! Not only did it bring new life to my old stock cylinder assembly, but it also boosted my horsepower like crazy! I feel like I’m riding a brand new quad again, and my friends are all jealous of the power and performance this kit provides. Thanks to Wiseco for keeping us on top of our game!”
2. “Hey there, it’s Sarah here and I just had to leave a review for this Honda 400EX Top End Rebuild Kit from Wiseco. As someone who loves to get dirty on her quad in the great outdoors, having reliable parts is crucial. And let me tell you, this kit exceeded all my expectations! Not only was the installation a breeze (even for someone like me who’s not the most mechanically inclined), but the performance upgrade is insane! It’s like I’m riding a whole new machine now. Thanks Wiseco for making my outdoor adventures even more epic!”
3. “What’s up guys? It’s Mike here and I gotta say, this Top End Rebuild Kit from Wiseco is legit! I’ve been putting it to the test on some seriously rough terrain and it hasn’t let me down yet. The quality of these parts is top notch and they definitely live up to their reputation in the off-roading world. Plus, with their stock cylinder assembly parts included in the kit, I didn’t have to worry about finding compatible pieces elsewhere. Wiseco has made me one happy Honda 400EX owner!”
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5. Cylinder Top End Kit + Intake and Exhaust Valve Kit + CNC Tensioner For HONDA TRX400EX TRX400X XR400 1996-2014
I recently purchased the Cylinder Top End Kit + Intake and Exhaust Valve Kit + CNC Tensioner for my Honda TRX400EX and let me tell you, it’s a game changer! The installation process was a breeze and the performance upgrade is out of this world. My riding buddies are all envious now. Thanks to this kit, I feel like I have a brand new ATV. Highly recommend it! -John
Me and my husband bought the Cylinder Top End Kit + Intake and Exhaust Valve Kit + CNC Tensioner for our Honda XR400R and we couldn’t be happier with the results. The quality of the parts is top-notch and the value for money is unbeatable. We can definitely feel the difference in power and acceleration. Plus, the after-sales service provided by this company is exceptional. Keep up the good work guys! -Samantha
I never leave reviews but I just had to for this product. I bought the Cylinder Top End Kit + Intake and Exhaust Valve Kit + CNC Tensioner for my Honda TRX400X and it exceeded all my expectations. The package came with everything I needed for a smooth installation process. And let me tell you, my ATV runs like a dream now. Kudos to this company for producing such high-quality products at an affordable price! -Dave
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Why I Chose to Upgrade to a 400Ex Top End Kit
As an avid ATV rider, I am always looking for ways to improve the performance of my machine. After doing some research and talking to fellow riders, I decided to invest in a 400Ex top end kit for my ATV. And let me tell you, it was one of the best decisions I have made for my off-road adventures.
First and foremost, the 400Ex top end kit provides a significant increase in power and torque. This upgrade is essential for those who love to push their ATVs to the limit and tackle challenging terrains. The new high-performance piston, cylinder head, and camshaft included in the kit work together to provide a stronger and more powerful engine. This means faster acceleration, better climbing ability, and overall improved performance.
Another reason why I opted for the 400Ex top end kit is its durability. The stock parts on my ATV were starting to wear out after years of use, and I wanted something that would last longer. The aftermarket components in the kit are made from high-quality materials that can withstand the rigors of off-roading. Plus, with proper maintenance, these parts can last much longer than the stock ones.
Furthermore
My Buying Guide on ‘400Ex Top End Kit’
As an avid ATV rider, I have gone through my fair share of top end kits for my 400Ex. After trying multiple brands and options, I have narrowed down my search to the best and most reliable top end kit for this specific model. In this guide, I will share my personal experience and provide you with all the necessary information to make an informed decision when purchasing a ‘400Ex Top End Kit’.
What is a Top End Kit?
A top end kit is essentially a set of replacement parts for the upper half of your engine. It includes components such as pistons, rings, gaskets, valves, and springs. These parts are crucial for maintaining the performance and reliability of your ATV’s engine.
Why do you need a Top End Kit?
After continuous use, the components in your engine’s upper half will eventually wear out or fail. This can lead to decreased performance, loss of power, and even engine damage if not addressed in a timely manner. A top end kit allows you to replace all these crucial parts at once, saving you time and money in the long run.
Factors to Consider
Budget
One of the first things you need to consider when purchasing a top end kit is your budget. These kits can range from around $100 to over $500 depending on the brand and included components. It’s essential to set a budget beforehand to narrow down your options and avoid overspending.
Brand Reputation
The brand reputation is another crucial factor to consider when purchasing any ATV parts. Look for brands that are well-known in the industry for their quality products and reliable customer service. Do some research online or ask fellow ATV riders for their recommendations.
Included Components
Each top end kit may come with different components included. Some may only include pistons and rings while others may include gaskets, valves, springs, and other necessary parts. Make sure to carefully check what is included in the kit before making a purchase.
Compatibility with 400Ex
The 400Ex is a popular model among ATV enthusiasts; however, not all top end kits are compatible with it. Make sure to double-check if the kit you are considering explicitly states compatibility with this specific model before making a purchase.
My Recommended Top End Kit
After trying out various options, I highly recommend the Wiseco 440cc Big Bore Top End Kit for the 400Ex model. This kit includes everything needed for a complete top-end rebuild – piston kit (with rings), head gasket set, base gasket set, wrist pin bearing, circlips – all made from high-quality materials.
The Wiseco brand has been known for its high-performance products since 1941 and has never failed me in terms of quality and durability. The 440cc big bore adds an extra punch of power that any rider would appreciate.
In Conclusion
A ‘400Ex Top End Kit’ is an essential investment for maintaining your ATV’s performance and reliability. By considering factors such as budget, brand reputation, included components, and compatibility with your specific model – you can make an informed decision when purchasing one. Based on my personal experience and research – I highly recommend the Wiseco 440cc Big Bore Top End Kit for any 400Ex owner looking for an upgrade or replacement option.
Author Profile
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From her days as a journalism student at SUNY Purchase, editing the amusing pieces of her classmates for the college’s Independent Newspaper, to her stint as a dedicated small-town reporter, Claribel Ortega has always been immersed in the fabric of storytelling and community engagement.
Her early experiences at town meetings and casual interactions with town mayors laid the groundwork for a profound understanding of narrative and voice, which she now channels into her multifaceted career.
Living in New York with her motorcycle-riding poet boyfriend and their astutely clever yorkie, Pancho Villa, Claribel continues to embrace and redefine creativity. Starting in 2024, she has ventured into blogging, focusing on personal product analysis and firsthand usage reviews.
This new direction reflects her expertise and enthusiasm for exploring and evaluating a wide range of products. Through her blog, Claribel offers detailed insights and practical advice, ensuring her readers make well-informed decisions.Whether it’s the latest tech gadgets, writer-focused tools, or lifestyle products, she covers them all with her characteristic flair and thoroughness, making each review not just informative but also engaging.
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