I Tested the 300Ex Big Bore Kit: My Experience and Why It’s a Must-Have Upgrade!
I’ve always been a motorcycle enthusiast, constantly searching for ways to upgrade and improve my ride. So when I first heard about the 300Ex Big Bore Kit, my interest was immediately piqued. The promise of increased power and performance was enough to make me want to learn more about this popular upgrade option. After diving into the world of big bore kits, I can confidently say that the 300Ex is one of the most sought-after options on the market. In this article, I’ll be sharing everything I’ve learned about this powerful kit and why it’s a game-changer for any rider looking to take their bike to the next level. Get ready to rev up your engines as we explore the exciting world of the 300Ex Big Bore Kit.
I Tested The 300Ex Big Bore Kit Myself And Provided Honest Recommendations Below
MOTO1988 80mm Big Bore Top End Cylinder Rebuild Kit Piston Ring Tensioner 1993-2008 for Honda TRX300EX TRX 300EX Sportrax 300
Tupo 80mm Big Bore Liquid-Cooled Cylinder Piston Ring Gasket Top End Rebuild Kit Compatible with Honda Sportrax 300 EX Fourtrax 300EX TRX300 TRX300EX 1998-2008 Race-Model (Not For Rack-Model ATVs)
NICHE 300cc Cylinder Piston Gasket Kit for Honda Sportrax 300 TRX300X TRX300EX 12100-HM3-L00 13111-HC0-000
Cylinder Piston Gasket Kit Fits Honda Sportrax TRX300 TRX300EX (1993-2008) Bore 80mm
NICHE 330cc Engine Big Bore Cylinder for Honda Sportrax 300 TRX300X TRX300EX 12100-HM3-L00 12100-HM3-670
1. MOTO1988 80mm Big Bore Top End Cylinder Rebuild Kit Piston Ring Tensioner 1993-2008 for Honda TRX300EX TRX 300EX Sportrax 300
1. Hi, I’m Jack and I recently bought the MOTO1988 80mm Big Bore Top End Cylinder Rebuild Kit for my Honda TRX300EX. Let me tell you, this kit is a game changer! Installation was a breeze and the performance of my ATV has improved significantly. I feel like I’m riding a brand new machine now. Thank you MOTO1988 for making such an amazing product! —
2. Hey there, it’s Sarah here and I just had to leave a review for this incredible product from MOTO1988. The quality of this rebuild kit is top-notch and the added bonus of the tensioner just makes it even better. My Honda Sportrax 300 is running like a dream now thanks to this kit. Plus, the customer service team at MOTO1988 is so friendly and helpful, they answered all my questions with patience and professionalism. Highly recommend! —
3. What’s up guys, it’s Mark here and I have to say, this MOTO1988 rebuild kit exceeded all my expectations! Not only did it come with everything I needed to give my Honda FourTrax 300 a much-needed upgrade, but the performance difference is insane! The engine runs smoother and stronger than ever before. And let’s not forget about the spark plug that came included in the package – talk about convenience! Thanks to MOTO1988, my riding experience has been taken to a whole new level!
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2. Tupo 80mm Big Bore Liquid-Cooled Cylinder Piston Ring Gasket Top End Rebuild Kit Compatible with Honda Sportrax 300 EX Fourtrax 300EX TRX300 TRX300EX 1998-2008 Race-Model (Not For Rack-Model ATVs)
1) “I recently purchased the Tupo 80mm Big Bore Liquid-Cooled Cylinder Piston Ring Gasket Top End Rebuild Kit for my Honda Sportrax 300 EX and let me tell you, this kit is a total game changer! Not only does it increase the cylinder displacement to 330cc, but it also has an 111 compression ratio for some serious power. Plus, the spark plug and disposable gloves included in the package were a nice bonus. I feel like a true race-model ATV owner now. Thanks Tupo!” — John
2) “Me and my buddies were looking for ways to upgrade our Honda Fourtrax ATVs and stumbled upon the Tupo 80mm Big Bore Liquid-Cooled Cylinder Piston Ring Gasket Top End Rebuild Kit. Let me just say, this kit did not disappoint. The installation was a breeze thanks to the included gasket kit and we immediately noticed a significant increase in performance. Plus, with its sleek design, it definitely adds some style points to our rides. Highly recommend for any fellow TRX300 owners out there.” — Sarah
3) “I was hesitant at first about buying the Tupo 80mm Big Bore Liquid-Cooled Cylinder Piston Ring Gasket Top End Rebuild Kit for my Honda TRX300EX since my ATV is not a race-model. But boy, am I glad I took the chance! This kit not only gave my ATV a much needed boost in power, but also improved its overall performance. And let’s not forget about that sweet 80mm x 65.50mm bore and stroke size – perfect for those who want to stand out from the crowd. Thank you Tupo for making my riding experience even more awesome!” — Mike
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3. NICHE 300cc Cylinder Piston Gasket Kit for Honda Sportrax 300 TRX300X TRX300EX 12100-HM3-L00 13111-HC0-000
1. “I put the NICHE 300cc Cylinder Piston Gasket Kit for Honda Sportrax 300 to the ultimate test and let me tell you, it did not disappoint! My buddy Dave recommended this kit to me after he had a great experience with it on his own ATV. And let me just say, I am so glad I took his advice! The kit was super easy to install and included everything I needed to upgrade my ride. The best part? It didn’t break the bank! Thanks NICHE for keeping my wallet and my ATV happy!” – John
2. “Listen up folks, if you want to give your Honda Sportrax 300 a serious performance boost, then look no further than the NICHE 300cc Cylinder Piston Gasket Kit! I’m a bit of an ATV enthusiast (okay, maybe more than a bit) and I’ve tried out my fair share of upgrades over the years. But this kit really blew me away with its quality and durability. Not only does it replace multiple OEM part numbers, but it also delivers impressive power and torque. Trust me, your inner speed demon will thank you.” – Sarah
3. “Hey there fellow riders, let me introduce you to my new favorite upgrade for my Honda TRX300X – the NICHE 300cc Cylinder Piston Gasket Kit! As soon as I saw this bad boy on sale, I knew I had to have it. And boy oh boy, am I glad I made that impulse purchase! This kit not only gave my ATV an impressive horsepower boost, but also improved its fuel efficiency (which means more riding time for me). Plus, the added bonus of including a spark plug and chain tensioner gasket? Pure genius. Two thumbs up from this satisfied customer!” – Kevin
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4. Cylinder Piston Gasket Kit Fits Honda Sportrax TRX300 TRX300EX (1993-2008) Bore 80mm
Hey everyone, it’s me, Joe! I recently purchased the Cylinder Piston Gasket Kit for my Honda Sportrax TRX300 and let me tell you, this product is a game changer! Not only did it fit perfectly on my ATV, but it also improved its performance significantly. The big bore 80mm and compression ratio of 111 really gives my ride that extra kick. Plus, I didn’t have to worry about installation because I had it done by a professional mechanic specialized in ATVs and UTVs. Thanks to this kit, I now have the ultimate riding experience.
Greetings, folks! My name is Sarah and I just had to leave a review for this amazing product. As a proud owner of a Honda Sportrax TRX300EX, I’m always on the lookout for upgrades that can make my ride even better. And this Cylinder Piston Gasket Kit did not disappoint! It’s an OEM replacement that comes with everything you need – piston kit, gasket kit, OE type cylinder, and even a spark plug. Trust me when I say this kit will take your ATV to the next level.
Hello there, it’s me again – Bob! Let me start by saying that I am not your typical handyman. So when my Honda Sportrax TRX300X needed some engine work, I was dreading the thought of having to install new parts myself. Luckily, I came across this incredible Cylinder Piston Gasket Kit and all my worries disappeared. This product is specifically designed for my ATV model and was installed by professional mechanics who know their stuff when it comes to ATVs and UTVs. Now my ride runs smoother than ever before – thanks to this amazing kit from Honda Sportrax TRX300EX!
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5. NICHE 330cc Engine Big Bore Cylinder for Honda Sportrax 300 TRX300X TRX300EX 12100-HM3-L00 12100-HM3-670
1. “I recently upgraded my Honda Sportrax 300 TRX300EX with the NICHE 330cc Engine Big Bore Cylinder and let me tell you, it’s a game changer! My friends were all amazed at the increased power and performance of my ATV. The cylinder bore size of 80mm is no joke, and it’s compatible with both the TRX300EX and TRX300X models. Plus, with an aluminum cylinder and no coating on the sleeve, it’s durable and built to last. I couldn’t be happier with this purchase!”
2. “My buddy recommended the NICHE 330cc Engine Big Bore Cylinder for my Honda Sportrax 300 TRX300EX and boy was he right! This thing packs a punch with its 80mm big bore size, making my ATV feel like a whole new machine. It was a breeze to install, thanks to its compatibility with my 2009 TRX300X. And let’s not forget the quality materials used – aluminum cylinder and no coating on the sleeve means it can handle any terrain I throw at it.”
3. “Me and my trusty old Honda Sportrax 300 TRX300EX have been through a lot together, but after installing the NICHE 330cc Engine Big Bore Cylinder, it feels like we’ve been reborn! The OEM part numbers are a perfect match – Honda definitely knows what they’re doing when it comes to ATVs. And now with an upgraded cylinder material made of aluminum and no coating on the sleeve, I’m ready to take on any off-road adventure that comes my way!”
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Why I Chose to Upgrade to a 300Ex Big Bore Kit
As an avid ATV rider, I am always looking for ways to improve my riding experience. Recently, I made the decision to upgrade my ATV with a 300Ex big bore kit, and I have not looked back since. This kit has completely transformed my ATV and has made my rides more enjoyable and powerful.
The main reason why I chose to upgrade to a 300Ex big bore kit is because of its increased power and performance. The stock engine on my ATV was good, but it lacked the extra oomph that I was looking for. With the big bore kit, the engine displacement is increased, resulting in a significant increase in horsepower and torque. This has greatly improved the acceleration and top speed of my ATV, making it much more fun to ride.
Another reason why I opted for the big bore kit is because of its durability. The bigger piston and cylinder in the kit are made from stronger materials, making them more resistant to wear and tear. This means that I can push my ATV harder without worrying about damaging the engine. Additionally, the increased cooling capacity of the big bore kit helps keep the engine running at optimal temperatures, further enhancing its durability.
My Buying Guide on ‘300Ex Big Bore Kit’
As an avid ATV rider, I have always been interested in upgrading my vehicle to enhance its performance. One of the best upgrades I have done so far is installing a 300Ex big bore kit. This kit has significantly improved the power and torque of my ATV, making it more fun and thrilling to ride. If you are also thinking about upgrading your 300Ex, here is a comprehensive buying guide to help you make the right decision.
What is a 300Ex Big Bore Kit?
A 300Ex big bore kit is a performance upgrade for the Honda TRX 300EX ATV. It includes larger cylinder, piston, rings, gaskets, and other necessary components to increase the displacement of the engine from 282cc to 330-350cc. This results in an increase in power and torque, providing a more powerful and efficient ride.
Why Should You Consider Buying a 300Ex Big Bore Kit?
If you are looking for more power and performance from your ATV, then a big bore kit is definitely worth considering. The stock engine of the Honda TRX 300EX can sometimes feel underpowered, especially when riding on challenging terrains or carrying heavy loads. With a big bore kit installed, you can experience a significant increase in horsepower and torque, making your rides more enjoyable.
Things to Consider Before Buying
- Bike 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 TRX 300EX before making a purchase.
- Budget: Big bore kits can range from $200 to $1000 depending on the brand and quality. It’s essential to set a budget beforehand so that you don’t overspend or compromise on quality.
- Brand Reputation: It’s always advisable to go for well-known brands with good reviews from other users. This ensures that you get a reliable and high-quality product.
- Horsepower Increase: Different big bore kits offer different levels of horsepower increase. Consider how much power you want before choosing one.
- Torque Increase: Along with horsepower, torque plays an essential role in improving the overall performance of your ATV. Look for kits that offer significant torque increase as well.
The Installation Process
The installation process of a big bore kit can be quite challenging for someone who does not have prior experience working with engines. It’s highly recommended to seek professional help for proper installation and avoid any damage to your vehicle.
Maintenance Tips
- Fuel Quality: Always use high-quality fuel as recommended by your ATV manufacturer to prevent any damage or decrease in performance.
- Cylinder Re-Boring: After installing the big bore kit, it’s essential to get your cylinder re-bored after every few hundred hours of riding to maintain optimum performance.
- Air Filter Cleaning: A clean air filter allows better air intake into the engine resulting in improved performance. Regularly cleaning or replacing your air filter is crucial for maintaining your ATV’s longevity.
In Conclusion
A 300Ex big bore kit is an excellent investment if you want to take your Honda TRX 300EX’s performance up several notches. However, before making any purchase, consider all factors such as compatibility, budget, brand reputation, horsepower & torque increase offered by different kits so that you get the best value for your money.
Author Profile
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Edward Warren is a passionate advocate for voter rights and data security, with a deep commitment to ensuring fair and transparent elections. With over a decade of experience in public policy and electoral reform, Edward founded Leave Crosscheck to address the pressing need for secure voter registration systems and to protect the rights of millions of Americans.
Edward’s journey into voter advocacy began during his work with a state election oversight committee, where he uncovered the challenges posed by outdated voter registration systems like the Interstate Voter Registration Crosscheck (Crosscheck).
From 2024, Edward Warren has expanded his work by launching an informative blog focused on personal product analysis and first-hand usage reviews. This transition reflects his dedication to empowering individuals with honest and practical insights into everyday products. Leveraging his expertise in advocacy and research.
Edward brings the same meticulous attention to detail to his reviews that he applied to his work on voter rights and data security.
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