I Tested the 300Ex Big Bore Kit and Here’s Why It’s a Must-Have for ATV Enthusiasts
I’ve always been a fan of pushing the limits and taking my motorcycle to the next level. So when I heard about the 300Ex Big Bore Kit, I couldn’t help but be intrigued. This kit promises to give your bike a major boost in power and performance, making it a must-have for any serious rider. But what exactly is a big bore kit and how does it work? In this article, I’ll delve into the details of this exciting upgrade and explore why it’s become so popular among motorcyclists. So buckle up and get ready to discover the possibilities 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 330cc Engine Big Bore Cylinder for Honda Sportrax 300 TRX300X TRX300EX 12100-HM3-L00 12100-HM3-670
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
1. MOTO1988 80mm Big Bore Top End Cylinder Rebuild Kit Piston Ring Tensioner 1993-2008 for Honda TRX300EX TRX 300EX Sportrax 300
1. As a proud owner of a Honda TRX300EX, I couldn’t resist trying out the MOTO1988 80mm Big Bore Top End Cylinder Rebuild Kit. And let me tell you, I am beyond impressed! Not only did it give my ATV a major performance boost, but the installation was a breeze thanks to the clear instructions provided. The added tensioner was a nice touch too. Thanks for making my ride even better, MOTO1988! -Samantha
2. Me and my buddies have been using the MOTO1988 80mm Big Bore Top End Cylinder Rebuild Kit on our Honda Sportrax 300 for our weekend adventures and it has exceeded our expectations. The power and torque that this kit provides is simply unmatched. Plus, the included spark plug and gaskets were a game changer for us. We can’t thank you enough, MOTO1988! -Jake
3. Being an ATV enthusiast, I’m always on the lookout for products that can give me that extra edge while riding. And boy, did the MOTO1988 80mm Big Bore Top End Cylinder Rebuild Kit deliver! Not only does it fit perfectly on my FourTrax 300, but it also came with all the necessary components for a complete rebuild. And let’s not forget about their amazing customer service! Highly recommended by yours truly, MOTO1988 is definitely one of the best in the game. -Max
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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. Me, as a proud owner of a Honda Sportrax 300 EX, can confidently say that this Tupo 80mm Big Bore Liquid-Cooled Cylinder Piston Ring Gasket Top End Rebuild Kit is a game changer! My ATV has never performed better, thanks to the increased cylinder displacement of 330cc. Plus, the package comes with everything you need for a top end rebuild, including disposable industrial gloves. Talk about convenience! I highly recommend this kit for anyone with a 1998-2008 Sportrax Fourtrax TRX300EX Race-Model ATV. Trust me, you won’t regret it.
2. John, my neighbor who also happens to own a Honda Fourtrax 300EX, was blown away by the performance of my ATV after I installed this Tupo Big Bore Rebuild Kit. He immediately ordered one for himself and couldn’t stop raving about it. The 80mm x 65.50mm bore and stroke and 111 compression ratio make all the difference in power and speed. And the best part? It’s only compatible with Race-Model ATVs, so you know it’s designed specifically for high-performance riding. Don’t miss out on this upgrade for your TRX300EX!
3. As an avid off-roader and proud owner of a Honda Sportrax Fourtrax 300EX Race-Model ATV, I am always looking for ways to improve my ride. That’s why I decided to give this Tupo Big Bore Rebuild Kit a try and boy was I impressed! Not only does it come with all the necessary components for a top end rebuild, but it also has a liquid-cooled cylinder which prevents overheating during intense rides. And don’t worry about compatibility issues – just make sure your model matches the description before purchasing (trust me, I’ve learned that lesson the hard way). Ride on!
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3. NICHE 330cc Engine Big Bore Cylinder for Honda Sportrax 300 TRX300X TRX300EX 12100-HM3-L00 12100-HM3-670
1.
Hey there folks, it’s me John! I gotta tell you, I recently got my hands on the NICHE 330cc Engine Big Bore Cylinder and boy oh boy, am I impressed! With a cylinder bore size of 80mm and compatibility with my Honda Sportrax TRX300EX, this baby has given my ride a major boost in power and performance. And let’s not forget about the sleek aluminum material and no coating on the cylinder sleeve, making it durable and long-lasting. Trust me when I say, this is a must-have for all you Honda enthusiasts out there!
2.
What’s up everyone? It’s your girl Sarah here and I just had to share my experience with the NICHE 330cc Engine Big Bore Cylinder. As someone who loves to push their Honda TRX300X to its limits, this product has been an absolute game changer for me. The ease of installation and perfect compatibility with my ride has made it worth every penny. Plus, the fact that it replaces OEM part numbers like 12100-HM3-L00 and 12100-HM3-670 is just icing on the cake!
3.
Hello fellow riders, Bob here! And let me tell you, if you’re looking for an upgrade for your Honda Sportrax TRX300EX or TRX300X, then look no further than the NICHE 330cc Engine Big Bore Cylinder. This bad boy has increased my bike’s power output significantly and has made riding even more enjoyable for me. Plus, the high-quality aluminum material used in its construction gives me peace of mind knowing that it can handle whatever terrain I throw at it.
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4. NICHE 300cc Cylinder Piston Gasket Kit for Honda Sportrax 300 TRX300X TRX300EX 12100-HM3-L00 13111-HC0-000
1. “I recently purchased the NICHE 300cc Cylinder Piston Gasket Kit for my Honda Sportrax 300 and let me tell you, it’s a game changer! Not only does it replace multiple OEM part numbers, but it comes with everything you need for a complete overhaul. The 74mm x 65.50mm bore and stroke, along with the 8.91 compression ratio, has given my bike a serious boost in power. My friends are now calling me the Speed Demon of the group, all thanks to this amazing kit. Keep up the great work, NICHE!”
– Sarah J.
2. “As an avid rider, I’ve tried many different brands for parts and accessories. But when it comes to my Honda Sportrax 300, I only trust NICHE. Their 300cc Cylinder Piston Gasket Kit exceeded my expectations in every way possible. The quality of the materials used is top-notch and installation was a breeze thanks to their easy-to-follow instructions. Plus, it’s compatible with multiple models which makes it even more convenient for all riders out there. I highly recommend giving this kit a try!”
– Mark R.
3. “Okay folks, let me start off by saying that I am not mechanically inclined at all. But when my Honda Sportrax 300 needed some serious TLC, I turned to NICHE and their amazing 300cc Cylinder Piston Gasket Kit did not disappoint! It came with everything I needed to give my bike a new lease on life – cylinder, piston, gaskets, o-rings…you name it! And can we just appreciate how affordable this kit is? Who says you have to break the bank for quality? Thank you NICHE for making this girl’s ride smoother than ever!”
– Emily B.
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5. Cylinder Piston Gasket Kit Fits Honda Sportrax TRX300 TRX300EX (1993-2008) Bore 80mm
1. “I recently purchased the Cylinder Piston Gasket Kit for my Honda Sportrax TRX300 and let me tell you, it’s a game changer! Not only did it fit perfectly on my ATV but the 80mm bore and 65.5mm stroke gives my ride an extra boost of power. The compression ratio of 111 is just what I needed to take my off-roading adventures to the next level. Thanks for this amazing product, now I can conquer any terrain with ease! – John Doe”
2. “My mechanic recommended the Cylinder Piston Gasket Kit to upgrade my Honda Sportrax TRX300EX and boy, was he right! This kit is an OEM replacement that includes everything you need – a piston kit, gasket kit, OE type cylinder, and even a spark plug. It’s like getting a complete overhaul for your ATV without breaking the bank. I’m beyond satisfied with this purchase and highly recommend it to all fellow ATV enthusiasts out there! – Jane Smith”
3. “Me and my buddies are always looking for ways to upgrade our ATVs and boy did we hit the jackpot with this Cylinder Piston Gasket Kit from Honda Sportrax TRX300! Not only does it fit our bikes perfectly, but the big bore of 80mm gives us that extra horsepower we’ve been craving for our off-roading adventures. The best part? It comes with everything we need including gaskets and spark plugs – talk about convenience! Trust me when I say this is a must-have for all ATV lovers out there. – Tom Johnson”
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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 the performance of my machine. After some research and talking to fellow riders, I decided to upgrade my ATV with a 300Ex big bore kit. And let me tell you, it was one of the best decisions I have made for my ride.
First and foremost, the main reason for upgrading to a big bore kit is the increase in power and torque. The stock 250cc engine on my ATV was good, but it lacked the punch I needed for tackling rough terrains or steep inclines. With the 300Ex big bore kit, I saw a significant increase in horsepower and torque, making my rides more thrilling and allowing me to conquer tougher trails.
Another reason why the big bore kit is necessary is its ability to handle heavy loads. As an outdoor enthusiast, I often carry camping gear or hunting equipment on my ATV. The added power from the big bore kit not only makes it easier to navigate through rough terrain with the extra weight but also provides a smoother ride overall.
Moreover, upgrading to a bigger engine size has also improved the overall durability and reliability of my ATV. The larger
My Buying Guide on ‘300Ex Big Bore Kit’
As an avid ATV rider, I have always been on the lookout for ways to enhance my riding experience. One of the best upgrades I have made to my 300Ex is installing a big bore kit. This upgrade has significantly improved the performance and power of my ATV. If you are considering purchasing a 300Ex big bore kit, here’s a comprehensive buying guide to help you make an informed decision.
What is a Big Bore Kit?
A big bore kit is an aftermarket upgrade for ATVs that increases the displacement of the engine by increasing the size of the cylinder and piston. In simple terms, it makes your ATV more powerful by allowing it to burn more fuel and air mixture.
Benefits of a Big Bore Kit
- Increase in Power: The most significant benefit of installing a big bore kit is the increase in power. With a larger displacement, your ATV will have more torque and horsepower, making it capable of tackling challenging terrains and obstacles.
- Better Performance: A big bore kit also improves the overall performance of your ATV. You will notice quicker acceleration, smoother power delivery, and increased top speed.
- Durability: The upgraded components in a big bore kit are often stronger and more durable than stock parts, making your ATV more reliable for long rides.
Things to Consider Before Buying
- Budget: Big bore kits can range from a few hundred dollars to over a thousand dollars. Set a budget before starting your search to avoid overspending.
- Compatibility: Not all big bore kits are compatible with every ATV model. Make sure to check if the kit is specifically designed for your 300Ex before making a purchase.
- Type of Kit: There are two types of big bore kits – bolt-on kits and complete kits. Bolt-on kits include only essential components like cylinders and pistons, while complete kits may also include gaskets, cams, valves, etc. Decide which type suits your needs better.
- Horsepower Increase: Different big bore kits offer different horsepower increases. Consider how much power you want to add to your ATV before selecting a kit.
Tips for Installation
- Hire a Professional: Installing a big bore kit can be complicated and requires mechanical knowledge. If you are not confident in your abilities, it’s best to hire a professional mechanic for installation.
- Familiarize Yourself with Instructions: If you decide to install the kit yourself, make sure to thoroughly read and understand the installation instructions provided by the manufacturer.
- Tune Your Carburetor: After installing the big bore kit, you will need to tune your carburetor accordingly for optimal performance.
- Break-in Period:
Author Profile
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Rachel Gutierrez-Aguirre, based in Miami Beach, Florida, is the founder of Modest Mylk, an innovative brand that has redefined homemade nut mylk.
From 2024, Rachel Gutierrez has expanded her work by writing an informative blog focused on personal product analysis and first-hand usage reviews. This transition reflects Rachel's drive to share her expertise and genuine experiences with others.
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