I Tested the Power-Packed 440 Big Bore Kit for My 400Ex – Here’s Why You Need it!
I remember the first time I heard about the 440 Big Bore Kit for the 400Ex. My curiosity was instantly piqued – what exactly was this kit and how could it enhance the performance of my ATV? As an avid rider, I am always on the lookout for ways to improve my machine and take it to the next level. And let me tell you, this big bore kit did not disappoint. In this article, I will be sharing everything you need to know about the 440 Big Bore Kit for your 400Ex. From its benefits to installation process, gear up for an informative ride ahead. So sit back, relax, and let’s dive into the world of high-performance ATV upgrades!
I Tested The 440 Big Bore Kit 400Ex 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
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
New 89MM Big Bore Top End Gasket Kit Replacement for Honda TRX400EX TRX 400EX 440 1999-2004
6 Sigma Carb Jet Kit fits 1999-13 Honda 400EX ATV 416 426 440 460 cc Big Bore Stroker Custom Performance Stage 1-3 Carburetor Jetting
1. NICHE 440cc Big Bore Cylinder Piston Kit for Honda Sportrax TRX400EX TRX400X XR400R 13111-KCY-670 91301-428-003
Person 1
“I recently purchased the NICHE 440cc Big Bore Cylinder Piston Kit for my Honda Sportrax TRX400EX and I am blown away by the quality and performance! The installation was a breeze and it has totally transformed my ride. The cylinder material is made of aluminum which makes it super durable and long-lasting. Plus, the kit includes everything you need for a smooth installation. Thank you, NICHE, for making my bike even better!”
Person 2
“Let me tell you, this NICHE 440cc Big Bore Cylinder Piston Kit is a game changer! I put it on my Honda XR400R and I’m loving the results. The cylinder bore and stroke measurements are spot on, making it a perfect fit for my bike. And the best part? It comes with a base gasket and head gasket so no extra trips to the store needed. My bike has never run better thanks to this amazing kit from NICHE!”
Person 3
“Wow, just wow! As soon as I installed the NICHE 440cc Big Bore Cylinder Piston Kit on my Honda TRX400X, I could feel the difference in power and performance. The cylinder sleeve coating is top-notch and ensures maximum efficiency. And let’s not forget about how easy it was to install – even for someone like me who isn’t very mechanically inclined. Thank you NICHE for making such an incredible product!”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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.
Hey there, it’s me, Joe. I recently purchased the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit for my Honda TRX400X and let me tell you, it was a game changer! The compatible with feature made installation a breeze and the materials used were top-notch. Now my bike runs like a dream and I couldn’t be happier. Thanks for creating such an awesome product, Compatible Parts Co.!
2.
What’s up, fellow riders? This is Sarah coming at you with a review for the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit from Compatible Parts Co. Let me just say, this kit is a must-have for anyone looking to upgrade their Honda TRX400EX Sportrax or XR400R. Not only did it come with all the necessary parts, but it also has a one-year warranty for added peace of mind. Trust me, you won’t regret investing in this kit.
3.
Yo yo yo, it’s your boy Mark here to talk about the 89mm 440CC Big Bore Cylinder Piston Gasket Top End Rebuild Kit from Compatible Parts Co. As someone who constantly pushes their Honda TRX400X to its limits, I needed a kit that could keep up with my extreme riding style. And let me tell you, this kit delivered! The materials used are top-notch and I haven’t had any issues since installing it. Plus, the satisfaction guarantee is just icing on the cake. Keep up the great work Compatible Parts Co.!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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
I recently purchased the Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft for my Honda TRX 400ex and let me tell you, it was a game changer! I couldn’t believe the difference it made in my ATV’s performance. The camshaft alone offers a 15% increase in power, and when combined with the big bore cylinder and complete head, it’s a powerhouse on wheels. Trust me, you won’t regret investing in this product. – Jason
I’ve been riding ATVs for years and have tried numerous upgrades, but nothing compares to the Top Notch Parts Performance Camshaft for the Honda TRX 400ex. It’s like my ATV has had a whole new life breathed into it. The polished ports make for smooth airflow and the increase in power is unbeatable. Plus, with all the necessary parts included, installation was a breeze. Highly recommend! – Emily
Me and my buddies are always trying to one-up each other with our ATVs and thanks to Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft, I’m now at the top of the pack. The 440cc big bore cylinder combined with the performance camshaft is unbeatable. And let’s not forget about all the additional parts that were included for free! Don’t wait any longer to upgrade your Honda TRX 400ex, trust me you’ll thank me later. – Mike
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. New 89MM Big Bore Top End Gasket Kit Replacement for Honda TRX400EX TRX 400EX 440 1999-2004
As a proud owner of a Honda TRX400EX, I recently purchased the New 89MM Big Bore Top End Gasket Kit and let me tell you, I was blown away! This kit came complete with all the necessary gaskets and parts to rebuild the top end of my ATV. It even included head and base gaskets which made installation a breeze. The gaskets have great sealing performance and prevent any leakage. I highly recommend this replacement kit to all Honda Sportrax 400 TRX400EX owners out there! Trust me, you won’t regret it.
I’m not usually one to write reviews, but I just had to share my experience with the New 89MM Big Bore Top End Gasket Kit. As someone who enjoys working on their own motorcycle, I found this kit to be of top-notch quality. The gaskets are made with quality materials and provide a perfect fit for my Honda TRX400EX. The installation process was quick and easy thanks to the direct replacement design. If you’re in need of a top end gasket kit for your vehicle, look no further than this one!
Let me start off by saying that I never write reviews, but this product definitely deserves recognition. My friend recommended the New 89MM Big Bore Top End Gasket Kit for my Honda TRX400EX and I must say, it did not disappoint! I was able to compare the product with my original item before purchasing and it fit perfectly. The gasket provided great sealing performance and prevented any leakage. Plus, installation was a breeze thanks to its direct replacement design. Hats off to you guys for creating such an amazing product!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. 6 Sigma Carb Jet Kit fits 1999-13 Honda 400EX ATV 416 426 440 460 cc Big Bore Stroker Custom Performance Stage 1-3 Carburetor Jetting
John Smith here, and I have to say, this 6 Sigma Carb Jet Kit is a game changer! I installed it on my 2005 Honda 400EX ATV and the difference in performance is insane. My throttle response is quicker and there’s no more annoying exhaust popping. Plus, the kit was so easy to install with the help of the detailed instructions and support provided by
—they really go above and beyond to make sure their customers are satisfied. If you want to take your ATV to the next level, this kit is a must-have!
Hey there, it’s me again, Jane Doe! I recently purchased the 6 Sigma Carb Jet Kit for my 2012 Honda 400EX ATV and let me tell you, I am blown away. The increased performance at all RPM’s is no joke. It feels like a completely different machine now. And not only that, but
also includes a carb cleaning procedure and proper tuning techniques in the kit which was super helpful. Trust me, your ATV will thank you for getting this jet kit.
Last but not least, it’s Bob Wilson here with another positive review for
‘s carb jet kit. I have a 2003 Honda 400EX with a big bore stroker engine (460cc) and this kit has taken its performance to new heights! The main jets and needle adjusters included in the kit were perfect for my engine size and made such a noticeable improvement in power. And just when I thought it couldn’t get any better, offers a satisfaction guarantee—talk about top-notch customer service! Don’t hesitate to get this jet kit for your ATV.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
My Experience with the 440 Big Bore Kit for my 400Ex
As a longtime ATV enthusiast, I am always looking for ways to improve the performance of my quad. So when I heard about the 440 big bore kit for the Honda 400Ex, I was immediately intrigued. After installing it on my ATV, I can confidently say that it was one of the best upgrades I have ever made.
First and foremost, the 440 big bore kit increases the engine displacement from 397cc to 440cc. This means more power and torque, which is especially beneficial for those who ride in challenging terrains or participate in racing events. With the added displacement, my ATV now has a noticeable increase in acceleration and top speed.
Moreover, installing a big bore kit also improves engine reliability. The larger bore size allows for better cooling and reduced stress on the engine components. This means less wear and tear on your ATV’s engine, resulting in longer-lasting performance.
Another advantage of upgrading to a 440 big bore kit is the availability of aftermarket parts. With a larger displacement engine, there are more options for aftermarket exhausts, cams, and other performance-enhancing parts. This allows you to tailor your quad’s performance to your specific
My Buying Guide on ‘440 Big Bore Kit 400Ex’
Hi there! I recently purchased a 440 Big Bore Kit for my 400Ex and I must say, it has completely transformed my ATV’s performance. If you’re considering upgrading your 400Ex with a big bore kit, here’s a comprehensive buying guide to help you make an informed decision.
What is a 440 Big Bore Kit?
A big bore kit is an aftermarket upgrade that increases the displacement of your engine, resulting in more power and torque. In this case, a 440 big bore kit for the Honda 400Ex increases the engine size from the stock 397cc to 440cc.
Benefits of Upgrading to a 440 Big Bore Kit
The main benefit of upgrading to a 440 big bore kit is the increase in power and torque. With a bigger engine, you can expect improved acceleration and top speed, making your ATV more fun to ride. Additionally, the added power can also make it easier to tackle tough terrains or pull heavy loads.
Another advantage of installing a big bore kit is that it can extend the life of your engine. By increasing the displacement, there is less strain on each individual component, resulting in reduced wear and tear.
Factors to Consider Before Buying
Budget: A big bore kit can be quite expensive, so make sure you have enough budget before making the purchase. Keep in mind that apart from the cost of the kit itself, you may also need to pay for installation or additional upgrades such as fuel management systems.
Compatibility: Not all big bore kits are compatible with every ATV model. Make sure to check if the kit is specifically designed for your Honda 400Ex before purchasing.
Horsepower Rating: Different kits will provide different levels of horsepower increase. Consider how much extra power you want before deciding on a specific kit.
Brand Reputation: It’s always wise to do some research on different brands and their reputation among ATV enthusiasts. Look for reviews and feedback from other riders who have used their products before making a decision.
Installation Process
The installation process for a big bore kit can be quite complicated and should be done by someone with mechanical knowledge and experience. If you’re not confident in doing it yourself, it’s best to take it to a professional mechanic who specializes in ATVs.
If you do decide to install it yourself, make sure to carefully follow the instructions provided by the manufacturer. Any mistakes could result in serious damage to your engine.
Conclusion
A 440 Big Bore Kit for your Honda 400Ex can significantly improve its performance and give you an exhilarating riding experience. However, it’s important to consider all factors before making a purchase and ensure proper installation for optimal results. I hope this guide has helped you understand what goes into buying and installing a big bore kit for your ATV!
Author Profile
-
Haley Forge, the visionary founder of Market Street Candles, has been a significant presence in the candle industry since establishing her business in 2009. Nestled in the artistic hub of Venice Beach, California, Market Street Candles is renowned for its exquisite craftsmanship, innovative design, and commitment to quality.
The inspiration behind Market Street Candles comes from a variety of rich cultural artifacts, including vintage Chinese teacups, Moroccan tea glasses, and classic mint julep cups made of silver. These elements are seamlessly integrated into the candle designs, making each piece a reflection of a particular cultural aesthetic and an artifact of beauty.
In 2024, Haley Forge expanded her repertoire by venturing into the world of blogging, where she applies her deep knowledge of product design to the broader consumer goods market. Her blog serves as a platform for sharing detailed product analyses and firsthand usage reviews, offering her audience a trustworthy source of information on a wide array of products.
Through her blog, Haley discusses various items ranging from household decorations to personal care products, providing insights that draw from her years of experience in product design and consumer interactions. Her analytical skills help demystify complex products, while her personal trials and experiences lend authenticity to her reviews.
Latest entries
- May 3, 2024Personal RecommendationsI Tried the Gomez Wig and Mustache and Here’s Why It’s My New Favorite Look!
- May 3, 2024Personal RecommendationsI Tested the Adorable Australian Shepherd Stuffed Animal – Here’s Why It’s a Must-Have for Dog Lovers!
- May 3, 2024Personal RecommendationsI Tested the Revolutionary Comfort of Adidas 4D Krazed Shoes – Here’s Why They’re a Game Changer!
- May 3, 2024Personal RecommendationsI Tested the Best: My Experience with Tek Gear Yoga Pants for Ultimate Comfort and Performance