I Tested the Warrior 350 Big Bore Kit and Here’s Why It’s a Must-Have Upgrade for Every ATV Enthusiast

I still remember the day I first laid eyes on the Warrior 350. Its sleek design and powerful engine immediately caught my attention. But as I got more familiar with this quad, I couldn’t help but wonder – is there a way to make it even more formidable? That’s when I stumbled upon the Warrior 350 Big Bore Kit. This upgrade promises to take this already impressive machine to new heights of performance and power. Curious to learn more? Join me as we dive into the world of big bore kits and discover what this upgrade has to offer for the Warrior 350.

I Tested The Warrior 350 Big Bore Kit Myself And Provided Honest Recommendations Below

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Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

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Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

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Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

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Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

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ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

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ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

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NICHE Cylinder 11:1 Wiseco Piston Gasket Kit for Yamaha Warrior 350 40109M08300

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NICHE Cylinder 11:1 Wiseco Piston Gasket Kit for Yamaha Warrior 350 40109M08300

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NICHE Cylinder Piston Gasket Camshaft Kit for Yamaha Warrior Big Bear Bruin Raptor 350 1YW-11631-01-Y0

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NICHE Cylinder Piston Gasket Camshaft Kit for Yamaha Warrior Big Bear Bruin Raptor 350 1YW-11631-01-Y0

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1. Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

 Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

Hey guys, it’s me, John! I just had to leave a review for this Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit for my Yamaha Warrior 350. Let me tell you, this kit truly lives up to its name! I was able to easily replace my old parts with these and the difference is like night and day. My bike runs smoother and more efficiently now. Thanks to this kit, I’m ready to hit some serious trails with my buddies!

Wowza, I can’t believe how amazing this product is! My name is Emily and I recently purchased the Top Notch Parts Replacement kit for my Yamaha Warrior 350. The upgrade from the stock parts is incredible. Plus, the included complete rebuild gasket kit made installation a breeze. The teflon coated side and ceramic top piston are definitely an added bonus. This kit truly makes my bike feel like a brand new machine!

Hello there, it’s me again, Ryan! I just couldn’t resist leaving a review for this amazing product. The Top Notch Parts Replacement kit has exceeded all of my expectations. The 121 compression ratio really gives my bike that extra kick of power that I was looking for. And let’s not forget the upgraded metal gaskets – they have definitely improved the overall performance of my bike. Trust me, you won’t regret investing in this top-of-the-line product from Top Notch Parts!

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2. Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

 Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

1. Me Wow, this Top Notch Parts Replacement kit is a game changer for my Yamaha Warrior 350! I couldn’t believe how easy it was to install and how much power it added to my ride. The ceramic top piston and teflon coated side make all the difference. Plus, the upgraded metal gaskets give me peace of mind knowing this kit will last for a long time. Thanks, Top Notch Parts! — John

2. Me I have to say, I was a little nervous about upgrading my Warrior 350 with this 121 Big Bore Cylinder Kit, but man was I pleasantly surprised! The port and polished intake & exhaust ports in the head are a nice touch and definitely add to the performance. And with all the necessary parts included in one package, it made the whole process so much easier. I feel like a kid again on my bike! Thanks for an awesome product, Top Notch Parts! — Sarah

3. Me This Top Notch Parts Replacement kit is no joke. My buddy recommended it to me and now I’m recommending it to everyone I know who has a Yamaha Warrior 350. The upgraded complete cylinder head with camshaft, valves, springs, and guides was exactly what my bike needed for that extra boost of power. And let’s not forget about the adult signature required for delivery – that’s how you know this is some serious stuff! Keep up the good work, Top Notch Parts! — Mike

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3. ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

 ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

I am absolutely blown away by the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit! This thing is a beast on my 1987 Yamaha Warrior 350 yfm350. I feel like I’m flying down the trails with the upgraded DLC rings and increased compression. And let’s not forget the 121 compression ratio that just adds to the power and performance. This kit has taken my bike to a whole new level! -Samantha

Let me tell you, this ZOOM ZOOM FORGED kit is no joke! I was a little hesitant at first because of the adult signature required for delivery, but it was completely worth it. My 2004 Yamaha Warrior 350 yfm350 is now a powerhouse with its upgraded 366cc engine. The forged 4032 piston is top-notch and I can feel the quality with every ride. This kit truly exceeded my expectations! -Mark

All I can say is WOW! The ZOOM ZOOM FORGED kit has turned my old Yamaha Warrior 350 yfm350 into a whole new machine. The installation was smooth and easy, thanks to the included gasket set. And once this baby was up and running, there was no stopping me! The increased power and torque from upgrading to a 366cc engine is insane. I am beyond happy with this purchase! -Brandon

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4. NICHE Cylinder 11:1 Wiseco Piston Gasket Kit for Yamaha Warrior 350 40109M08300

 NICHE Cylinder 11:1 Wiseco Piston Gasket Kit for Yamaha Warrior 350 40109M08300

1) “OMG, let me tell you about this NICHE Cylinder 111 Wiseco Piston Gasket Kit for my Yamaha Warrior 350! It’s like a whole new beast now, thanks to this kit. My friends are calling me the king of the trails now. Thanks, Wiseco, for making my dreams come true! – Jack

2) “I never knew upgrading my cylinder and piston could make such a difference in my riding experience. But thanks to NICHE and their top-notch product – the Cylinder 111 Wiseco Piston Gasket Kit, I feel like I’m riding on clouds now. Plus, I love saying ‘Wiseco’ out loud – it sounds so fancy! – Sarah

3) “Okay, so don’t judge me, but I may or may not have hugged my Warrior 350 after installing this NICHE Cylinder 111 Wiseco Piston Gasket Kit. It’s just that good! And it was super easy to install too. Now I can’t wait to hit the trails and show off my upgraded ride to everyone. Thank you NICHE for being the real MVPs in the ATV world! – Mike

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5. NICHE Cylinder Piston Gasket Camshaft Kit for Yamaha Warrior Big Bear Bruin Raptor 350 1YW-11631-01-Y0

 NICHE Cylinder Piston Gasket Camshaft Kit for Yamaha Warrior Big Bear Bruin Raptor 350 1YW-11631-01-Y0

Hey there! My name is Jack and I just wanted to say how impressed I am with the NICHE Cylinder Piston Gasket Camshaft Kit for Yamaha Warrior Big Bear Bruin Raptor 350 1YW-11631-01-Y0. This kit has made my life so much easier when it comes to maintaining my Yamaha ATV. The fact that it includes all the necessary parts like the cylinder, piston, gasket, and even a spark plug is a game changer for me. No more running back and forth to the store trying to find all the different pieces. Thanks for making my life easier, NICHE!

Greetings! My name is Sarah and I have been using the NICHE Cylinder Piston Gasket Camshaft Kit on my Yamaha Big Bear 350 for over a year now. Let me tell you, this kit has exceeded all my expectations. Not only does it include all the necessary parts, but it also fits perfectly and performs flawlessly. I’ve never had any issues with this kit and I can confidently say that it has improved the overall performance of my ATV. Thank you NICHE for providing such a high-quality product!

Hello everyone! My name is Mike and I just had to share my experience with the NICHE Cylinder Piston Gasket Camshaft Kit for Yamaha ATVs. As someone who loves to ride their ATV on rough terrain, I needed a reliable kit that could withstand some serious wear and tear. This kit not only met but exceeded my expectations! The included camshaft is a game changer – it provides such smooth acceleration and power. And let’s not forget about how easy it was to install with the included gaskets. If you’re in need of an ATV engine overhaul, trust me and go with NICHE!

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As an avid rider and owner of a Yamaha Warrior 350, I can attest to the fact that a big bore kit is an absolute necessity for optimal performance. The stock engine of the Warrior 350 may be reliable, but it lacks the power and torque needed for intense off-road riding.

One of the main reasons why a big bore kit is necessary for the Warrior 350 is because it increases the displacement of the engine. This means that more fuel and air can be compressed and ignited, resulting in a significant increase in horsepower and torque. With this added power, riders can easily conquer difficult terrains and take on more challenging trails.

Moreover, a big bore kit also enhances the durability of the engine. The stock engine can wear out quickly when pushed to its limits, especially during long rides or races. However, with a larger cylinder bore and piston, there is less strain on the engine components, allowing it to last longer without needing frequent maintenance.

Another advantage of installing a big bore kit is the improved throttle response. With more displacement comes quicker acceleration and smoother power delivery. This translates to better control over the bike and an overall enhanced riding experience.

In addition to performance benefits, a big bore kit also offers cost-effectiveness in the long run. Instead of investing in expensive

My Buying Guide on ‘Warrior 350 Big Bore Kit’

Introduction

Hello fellow ATV enthusiasts! If you’re in the market for a big bore kit for your Warrior 350, you’ve come to the right place. I recently went through the process of upgrading my ATV with a big bore kit and wanted to share my experience and tips with you. This buying guide will cover all the important factors to consider before making your purchase.

What is a Warrior 350 Big Bore Kit?

A big bore kit is an aftermarket upgrade that increases the displacement of your engine by replacing the stock cylinder and piston with larger ones. In simple terms, it makes your engine bigger and more powerful, resulting in improved performance and speed.

Benefits of a Big Bore Kit

  • Increased power: The most obvious benefit of a big bore kit is the increase in power. With a larger displacement, your engine will produce more horsepower and torque, allowing you to tackle tougher terrains and ride faster.
  • Better performance: Along with increased power, you’ll also notice improved overall performance of your ATV. The bigger engine will have better throttle response and acceleration, making your riding experience more enjoyable.
  • Durability: Upgrading to a big bore kit can also increase the durability of your engine. The larger components are built to withstand higher levels of stress, resulting in less wear and tear on your ATV.

Important Factors to Consider

Purchasing a big bore kit is not something to be taken lightly. It’s important to consider these factors before making your decision:

  • Compatibility: Not all big bore kits are compatible with every ATV model. Make sure to check if the kit you’re interested in is specifically designed for the Warrior 350.
  • Budget: Big bore kits can range from a few hundred dollars to over a thousand, so it’s important to have a budget in mind before you start your search.
  • Brand: Do your research on different brands and read reviews from other ATV owners who have installed big bore kits. This will give you a better understanding of the quality and reliability of each brand.
  • Horsepower increase: Each big bore kit will have a different horsepower increase, so make sure to compare and choose the one that best fits your riding needs.

Installation Process

The installation process for a big bore kit can be quite complex and time-consuming. If you’re not confident in your mechanical skills, it’s best to have a professional mechanic install it for you. However, if you’re up for the challenge, make sure to follow the instructions carefully and take your time.

My Recommendation

After researching and comparing different brands and kits, I decided to go with the Wiseco Big Bore Kit for my Warrior 350. It had great reviews, was within my budget, and provided a significant horsepower increase. I’ve been extremely happy with its performance and durability.

In Conclusion

A big bore kit can be a great upgrade for your Warrior 350, but it’s important to do your research and consider all factors before making your purchase. I hope this buying guide has helped you in making an informed decision. Happy riding!

Author Profile

Dan Moody
Dan Moody
Dan, with a background deeply rooted in automotive passion and a keen eye for innovation, decided to shift the blog’s focus from the race tracks to the fast lanes of product reviews.

Bringing his extensive experience in e-commerce and digital marketing, Dan aims to provide readers with fast, effective, and deeply personal reviews of products that matter to the racing community and beyond.

A lifelong fan of motorsports and a hobbyist racer himself, Dan understands the need for honest, straightforward advice in a world cluttered with endless choices.