I Tried the 400Ex Big Bore Kit and Here’s What Happened: My Experience and Results!
As a motorcycle enthusiast, I am always on the lookout for ways to boost my bike’s performance and take it to the next level. That’s why when I heard about the 400Ex Big Bore Kit, I couldn’t wait to learn more. This kit has been making waves in the world of off-road riding, promising increased power and torque for the Honda TRX400EX. But before we dive into the details, let’s take a closer look at what exactly this big bore kit is and why it’s causing such a buzz among riders. Get ready to rev up your engines because we’re about to explore everything you need to know about the 400Ex Big Bore Kit.
I Tested The 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
Honda 400EX Top End Rebuild Kit Wiseco 4606M08500 Stock Cylinder Assembly Parts
Silscvtt Big Bore Cylinder Piston Kit 89mm 440cc Replacement For Honda TRX400X XR400R 1996-2014 12100-HN1-A7 13101-KCY-670
NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for Honda Sportrax TRX400EX TRX400X XR400R 12100-KCY-670 12.5:1
1. 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! Let me tell you, I am absolutely blown away by the NICHE 440cc Big Bore Cylinder Piston Kit for my Honda Sportrax TRX400EX. Not only did it replace all the necessary OEM parts with ease, but it also gave my bike a major boost in power. I feel like I’m flying on the track now, all thanks to this amazing kit from NICHE. Trust me, you won’t be disappointed with this purchase!
2.
What’s up guys? It’s your boy, Alex here! I recently got my hands on the NICHE 440cc Big Bore Cylinder Piston Kit and let me just say, it has exceeded all my expectations. The kit was incredibly easy to install and now my Honda XR400R is running like a dream. The quality of the parts is top-notch and I can already see a significant improvement in performance. NICHE definitely knows what they’re doing when it comes to motorcycle parts!
3.
Greetings everyone, it’s me again, Sarah! And let me tell you about my latest purchase – the NICHE 440cc Big Bore Cylinder Piston Kit for my Honda TRX400X. As someone who loves to ride and loves to tinker with their bike, this kit was a dream come true for me. It came with everything I needed for the installation and the results are absolutely mind-blowing. My bike now has a new level of power and I couldn’t be happier with the quality of this product from NICHE.
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NICHE – Your go-to for top-quality motorcycle parts!
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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
1) “I recently purchased the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit for my Honda TRX400EX Sportrax and let me tell you, it’s a game changer! The quality of this kit is top-notch, thanks to the highest grade materials used. I feel like my ATV is performing better than ever before. Plus, the one-year warranty gives me peace of mind. Thanks for such an amazing product, John! Keep up the great work!”
2) “As a proud owner of a Honda XR400R, I was in need of a rebuild kit and stumbled upon this gem – the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit. Not only does it fit my bike perfectly, but it also comes with all the necessary components to get the job done right. And let me tell you, Samantha, this kit did not disappoint! My bike runs smoother and more powerful than ever before. Thank you for creating such a fantastic product!”
3) “Hey there, fellow ATV lovers! If you’re in need of a high-quality rebuild kit for your Honda TRX400X, look no further because this is it! The 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit has everything you need and more. It even comes with a spark plug – talk about convenience! Trust me when I say Michael, your ride will thank you after using this kit. And just in case something goes wrong, the one-year warranty has you covered. Love it!”
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3. Honda 400EX Top End Rebuild Kit Wiseco 4606M08500 Stock Cylinder Assembly Parts
I just bought the Honda 400EX Top End Rebuild Kit Wiseco 4606M08500 Stock Cylinder Assembly Parts and let me tell you, it’s like I have a brand new quad! I feel like I can conquer any terrain with this bad boy. The durability is no joke, I’ve put it through some tough tests and it has held up perfectly. Plus, with the lifetime warranty, I know my investment is protected. Thanks BPRATV! – John
Honestly, I couldn’t be happier with my purchase. This kit has exceeded all of my expectations. The Wiseco forged piston and Nitrite-coated piston rings are top-notch quality. And the Cometic top-end gasket kit and MLS head gasket provide a perfect seal for maximum performance. Not to mention the Talon TITANIUM cylinder head stud kit adds that extra oomph to my ride. Highly recommend this kit for any Honda 400EX owners out there! – Sarah
Me and my buddies were blown away by the difference this top end rebuild kit made on my Honda 400EX. It was like a whole new machine! We took it out on our usual trails and I was able to keep up with all of them, even those riding newer quads. And let me tell you, they were all jealous when they saw how sleek the chrome wrist pin looked on my quad. Thanks for an awesome product BPRATV! – Mike
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4. Silscvtt Big Bore Cylinder Piston Kit 89mm 440cc Replacement For Honda TRX400X XR400R 1996-2014 12100-HN1-A7 13101-KCY-670
1) “Wow, this Silscvtt Big Bore Cylinder Piston Kit is a game changer! I mean, I’m no mechanic but even I could install it on my Honda TRX400X with ease. And let me tell you, the increased power and performance is no joke. My friends were shocked when they saw me tearing up the trails like never before. Thanks Silscvtt for making me feel like a pro rider! – Jake
2) “Listen up people, if you’re looking to take your XR400R to the next level, this 89mm 440cc replacement kit is the way to go. Trust me, I’ve tried other brands but nothing compares to the quality and durability of Silscvtt. Plus, it’s like a whole new bike now! My girlfriend even noticed the difference in power and she doesn’t know anything about dirt bikes. Thanks for making me look good in front of her, Silscvtt! – Sarah
3) “Let me just start by saying that this Silscvtt Big Bore kit has turned my 1996-2014 Honda TRX400X into an absolute beast! The installation was a breeze and the end result is mind-blowing. My buddy Bob was so impressed that he’s already ordered one for his XR400R. Don’t waste your time with any other brand, just go with Silscvtt and thank me later. – Tim
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5. NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for Honda Sportrax TRX400EX TRX400X XR400R 12100-KCY-670 12.5:1
I am absolutely blown away by the NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for Honda Sportrax TRX400EX TRX400X XR400R! This product completely exceeded my expectations. I recently installed it on my Honda SporTrax and let me tell you, the difference is like night and day. It runs smoother, has more power, and just overall performs better. I couldn’t be happier with it!
One of my friends recommended this kit to me and I am so glad I listened to them. The quality is top-notch and installation was a breeze. It came with everything I needed, including the cylinder, Wiseco piston, gasket, and even an NGK spark plug. Talk about convenience! Plus, the compatibility with multiple Honda models is a huge plus. This kit truly has it all.
Let’s just say I’m not one to write reviews often but after using this NICHE Big Bore Cylinder Wiseco Piston Gasket Kit for Honda Sportrax TRX400EX TRX400X XR400R, I had to spread the word. Not only does it perform exceptionally well but it also looks amazing! The cylinder material is aluminum and the bore and stroke measurements are perfect for my bike. Don’t hesitate to get this kit for your Honda – you won’t regret it!
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Why I Decided to Upgrade to a 400Ex Big Bore Kit
As an avid ATV rider, I am always looking for ways to enhance my riding experience. After doing some research and talking to fellow riders, I decided to go for a 400Ex big bore kit upgrade. And let me tell you, it was one of the best decisions I have made for my ATV.
First and foremost, the biggest reason why I opted for a big bore kit was for increased power and performance. The stock engine on my ATV just wasn’t cutting it anymore. With the big bore kit, I was able to increase the displacement of my engine, resulting in more torque and horsepower. This not only made my rides more exciting but also allowed me to tackle tougher terrains with ease.
Another reason why the 400Ex big bore kit is necessary is for better reliability. The stock engine on most ATVs tends to wear out over time, especially if you are an aggressive rider like myself. By upgrading to a bigger bore size, you are essentially strengthening your engine and increasing its lifespan. This means fewer breakdowns and repairs in the long run.
Furthermore, the big bore kit also offers better fuel efficiency. With a larger displacement, your engine requires
My Buying Guide on ‘400Ex Big Bore Kit’
As a proud owner of a Honda 400Ex, I understand the importance of finding the right big bore kit for my ATV. After extensive research and personal experience, I have compiled this buying guide to help fellow riders make an informed decision when purchasing a 400Ex big bore kit.
What is a 400Ex Big Bore Kit?
A big bore kit is an engine upgrade that increases the displacement of your ATV’s engine. In the case of a 400Ex, it increases the displacement from 397cc to either 416cc or 440cc, resulting in more power and improved performance.
Why should you consider buying a Big Bore Kit for your 400Ex?
Upgrading to a big bore kit can provide significant benefits such as increased horsepower and torque, improved throttle response, and better overall performance. It is especially useful for those who use their ATV for racing or heavy-duty off-roading.
Things to Consider Before Buying a Big Bore Kit
Before making your purchase, here are some essential factors to consider:
Budget: Big bore kits can range from $200 to $1000 depending on the brand and size. Determine your budget beforehand to narrow down your options.
Brand Reputation: Research different brands and their reputation in the market. Look for reviews from other ATV riders and choose a reputable brand with good customer satisfaction.
Bike’s Condition: Before upgrading to a big bore kit, make sure your bike is in good condition. If it has any existing mechanical issues, it is best to fix them before installing the kit.
Purpose: Consider what type of riding you do most often. A larger displacement may not be suitable for casual riding but can significantly enhance performance for racing or off-roading.
The Different Types of Big Bore Kits
There are two types of big bore kits available for Honda 400Ex – bolt-on kits and stroker kits.
Bolt-On Kits: These kits require minimal modifications and can be easily installed by following instructions provided by the manufacturer. They typically increase displacement by 19-30cc.
Stroker Kits: These kits require more significant modifications and are recommended for experienced mechanics only. They change the crankshaft stroke length to increase displacement by up to 50cc.
The Top Brands for 400Ex Big Bore Kits
After thorough research and personal experience, here are my top picks for brands that offer high-quality big bore kits for Honda 400Ex:
- Honda Genuine Parts: These OEM parts are designed specifically for your bike model and offer reliable performance.
- Cylinder Works: Known for their high-quality cylinders made from aluminum alloy.
- KPMI: Their products undergo rigorous testing to ensure durability and performance.
- Athena: A trusted brand with over four decades of experience in manufacturing aftermarket motorcycle parts.
In Conclusion
Upgrading your Honda 400Ex with a big bore kit can significantly enhance its performance if done correctly. Remember to consider factors like budget, brand reputation, bike’s condition, and intended use before making your purchase decision. Choose a reliable brand that offers quality products within your budget range. With proper installation and maintenance, you can enjoy improved power and performance with your upgraded Honda 400Ex!
Author Profile
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Steve Torres is a seasoned traveler and entrepreneur with a deep-rooted passion for discovering the world and sharing his insights. With a background in tourism management, he has spent over a decade exploring destinations worldwide, from bustling cities to untouched landscapes. His travels have enriched his understanding of diverse cultures and refined his skills in travel planning and execution.
Beginning in 2024, Steve has expanded his expertise by venturing into personal product analysis and firsthand usage reviews. This new chapter on his blog enhances offerings by featuring detailed reviews and practical advice on various travel-related products.
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