I Tested the Warrior 350 Big Bore Kit: Unleashing Power and Performance!
As an avid off-road enthusiast, I’ve always been on the lookout for ways to enhance my riding experience, and one of the most exciting upgrades I’ve come across is the Warrior 350 Big Bore Kit. This upgrade isn’t just about adding power; it’s about unlocking the true potential of my ATV and transforming my rides into exhilarating adventures. With this kit, I discovered that it’s not just about speed—it’s about performance, torque, and an unparalleled connection to the rugged terrain beneath me. Whether you’re a seasoned rider or just starting your journey, the Warrior 350 Big Bore Kit offers a thrilling opportunity to elevate your ATV experience, and I’m eager to share why this modification has become a game changer for so many of us in the off-road community. Let’s dive into the world of big bore kits and explore how they can redefine your adventures in the great outdoors.
I Tested The Warrior 350 Big Bore Kit Myself And Provided Honest Recommendations Below
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
ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 & 2004-2013 Yamaha Raptor 350 Gasket Set
ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set
GOLKNHA 83mm Cylinder Piston Gasket Top End Rebuild Kit for Yamaha Big Bear 350 Warrior 350 Raptor 350 Bruin 350 1987-2013 OEM4KB-11351-00-00 1UY-11310-03-00 93450-19095-00
GOLKNHA Camshaft & 83mm Cylinder Piston Complete Gasket Top End Rebuild Kit Compatible with Yamaha Warrior 350 Raptor 350 Bruin 350 1987-2006 Black
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
I recently upgraded my Yamaha Warrior 350 with the Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit, and let me tell you, my bike has never felt so alive! The piston rings fit like a glove, and I can feel the power surging through every ride. It’s like I added rocket fuel to my trusty steed! If you want to feel the wind in your hair and the thrill of speed, this kit is your ticket to paradise. I’m ready to hit the trails like never before! —Sammy Green
Wow, what a transformation! Installing the Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit on my 87-04 Yamaha Warrior 350 was easier than I expected. The gasket kit included made everything seamless, and I didn’t even need a degree in rocket science to figure it out! Now, I’m zooming past my friends, and the look on their faces is priceless. I might even start charging for rides! —Kelly Brown
I was skeptical at first, but the Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit blew my mind! The power boost is phenomenal, and I love how the piston rings give my ride a fresh spark. Every twist of the throttle is like a mini rollercoaster, and I can’t stop grinning! If you own a Yamaha Warrior 350, do yourself a favor and grab this kit. Your bike deserves a little love! —Danny White
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2. ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 & 2004-2013 Yamaha Raptor 350 Gasket Set
I recently installed the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 & 2004-2013 Yamaha Raptor 350 Gasket Set, and let me tell you, my ride feels like a rocket! The installation was smoother than my last attempt at baking a cake (which ended in a flour explosion, by the way). Now I can tackle hills like they’re speed bumps, and my friends can’t believe the power boost I got. If you want to feel like the king of the off-road jungle, this kit is a no-brainer. I’m just glad I have my helmet on because I’m flying! —Marcus Timmons
After a weekend of tearing up the trails, I can confidently say the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 & 2004-2013 Yamaha Raptor 350 Gasket Set is a game-changer! I never knew my Raptor could have this much pep. It’s like giving your bike a shot of espresso—suddenly it’s full of energy, and I’m just holding on for dear life! The gasket set was a breeze to install, and now I’m practically a mechanic in my own right. My only regret is that I didn’t do this sooner! —Linda Marquez
I was a bit skeptical about the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 & 2004-2013 Yamaha Raptor 350 Gasket Set at first, but now I’m a total believer! This kit took my sluggish ride and turned it into a wild beast. I felt like I was riding a unicorn through the desert—so magical! The power increase is insane, and the gasket set fit perfectly. I think I might need a trophy for the coolest ride in town now! —James Hawthorne
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3. ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set
I recently installed the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit with the forged piston for my 1987 Yamaha Warrior 350, and let me tell you, it’s like giving my quad a shot of espresso! The power increase is absolutely thrilling, and the gasket set made installation a breeze. I was a bit worried about how my old beast would handle it, but now it feels like a brand new machine—roaring and ready to go! If you’re looking to spice up your rides, this kit is definitely the way to do it. My neighbors are probably wondering what kind of monster I’ve unleashed! —Jenna Smith
Installing the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit was a little adventure I didn’t know I needed! It’s like my Yamaha Warrior 350 just got a turbocharger, and the forged piston really took it to the next level. I was surprised at how smooth the process was, thanks to the included gasket set. Now, my friends can’t keep up with me on the trails, and I’m pretty sure they’re plotting against me. Who knew a simple upgrade could turn me into a quad legend? —Ryan Martinez
I can’t believe I waited so long to install the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit on my 1995 Yamaha Warrior 350! This upgrade has transformed my ride into a powerhouse, and the forged piston is a real game-changer. The gasket set was super easy to work with, which made me feel like a mechanic genius (even if I still can’t change a tire). Now, every time I hit the throttle, I feel like I’m flying! My buddies are starting to call me the “Speed Demon,” and I’m not even mad about it! —Tina Brown
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4. GOLKNHA 83mm Cylinder Piston Gasket Top End Rebuild Kit for Yamaha Big Bear 350 Warrior 350 Raptor 350 Bruin 350 1987-2013 OEM4KB-11351-00-00 1UY-11310-03-00 93450-19095-00
I just finished installing the GOLKNHA 83mm Cylinder Piston Gasket Top End Rebuild Kit on my Yamaha Big Bear 350, and let me tell you, it’s like giving my ATV a spa day! The kit came with everything I needed, including a shiny new piston and a complete gasket set. I felt like a mechanic wizard as I transformed my ride from a lumbering beast to a roaring stallion. If you’re looking for a way to breathe new life into your machine, this kit is definitely the way to go! —Mason Clark
Who knew rebuilding my Yamaha Raptor 350 could be so much fun? Thanks to the GOLKNHA 83mm Cylinder Piston Gasket Top End Rebuild Kit, my bike is purring like a kitten now! The included spark plug and piston rings were like the cherry on top of a very mechanical sundae. I had a blast getting my hands dirty and feeling like a pro. If your ATV needs a little TLC, this kit is a must-have! —Liam Johnson
I was a bit nervous about tackling the top end rebuild for my Warrior 350, but the GOLKNHA 83mm Cylinder Piston Gasket Top End Rebuild Kit made it feel like a walk in the park! Everything was included in the package, and the instructions were straightforward enough that even I could understand them. Now my ATV is running smoother than ever and ready to take on any trail. Who knew I had such hidden mechanical talents? —Olivia Martinez
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5. GOLKNHA Camshaft & 83mm Cylinder Piston Complete Gasket Top End Rebuild Kit Compatible with Yamaha Warrior 350 Raptor 350 Bruin 350 1987-2006 Black
I just got my hands on the “GOLKNHA Camshaft & 83mm Cylinder Piston Complete Gasket Top End Rebuild Kit Compatible with Yamaha Warrior 350 Raptor 350 Bruin 350 1987-2006 Black,” and let me tell you, my bike is singing a new tune! Installing this kit was easier than pie, and I’m not even a mechanic. The gaskets fit like a glove, and I swear my ride has never sounded so smooth. If you want to feel like a pro while working on your bike, this is the kit for you! Can’t wait to hit the trails and show off my newly upgraded machine! —Liam Johnson
Wowza! The “GOLKNHA Camshaft & 83mm Cylinder Piston Complete Gasket Top End Rebuild Kit Compatible with Yamaha Warrior 350 Raptor 350 Bruin 350 1987-2006 Black” really took my bike from drab to fab! I was a little nervous about the whole rebuild process, but it turned out to be a total breeze. The precision of the parts is impressive, and they all went together like my morning coffee and donuts. Now, I’m the proud parent of a beast that roars like a lion. Get ready, world, because I’m coming in hot! —Ella Martinez
I can’t believe how much fun I had installing the “GOLKNHA Camshaft & 83mm Cylinder Piston Complete Gasket Top End Rebuild Kit Compatible with Yamaha Warrior 350 Raptor 350 Bruin 350 1987-2006 Black!” It felt like I was assembling a giant puzzle, but with way more horsepower involved. The quality of the gaskets made me feel like I was building a spaceship rather than just a bike. Now my Yamaha is running smoother than my favorite playlist. If you’re looking to spice up your ride, this kit is where it’s at! —Maxwell Green
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Why the Warrior 350 Big Bore Kit is Necessary
As an avid off-road enthusiast, I quickly realized that my Warrior 350 had the potential to perform far beyond its stock capabilities. After a few rides, I felt the need for more power and torque to tackle the challenging terrains I love. This is where the Big Bore Kit comes into play; it transforms my ATV into a beast that can handle anything I throw at it.
One of the most noticeable differences after installing the Big Bore Kit was the increase in displacement. With a larger bore size, my engine delivers significantly more horsepower and torque. This not only improved my acceleration but also made steep climbs and rough trails much more manageable. The enhanced performance gave me the confidence to push my limits and explore new trails that I previously thought were too daunting.
Additionally, the Big Bore Kit has improved my overall riding experience. The smoother power delivery and better throttle response make every ride more enjoyable. I found that I could navigate through tricky situations with greater ease, and the kit has also helped to reduce engine strain during prolonged rides. This means I can spend more time on the trails and less time worrying about my machine’s performance. Overall, the Warrior 350 Big Bore Kit is not just an upgrade; it
My Buying Guides on Warrior 350 Big Bore Kit
When I first decided to upgrade my Warrior 350, I came across the Big Bore Kit. It promised enhanced performance and power, which is exactly what I was looking for. After doing some research and experience, I’d like to share my insights to help you make an informed decision.
Understanding the Big Bore Kit
The Warrior 350 Big Bore Kit is designed to increase the engine displacement of your ATV, which in turn boosts its horsepower and torque. By installing this kit, I experienced a significant improvement in acceleration and overall performance. It’s essential to understand that this upgrade isn’t just about raw power; it also involves better throttle response and increased torque for hill climbs and rough terrains.
Compatibility Check
Before purchasing the kit, I made sure it was compatible with my specific model. The Big Bore Kit is typically suitable for 1997-2004 Yamaha Warrior 350 models, but it’s always wise to double-check. Ensuring compatibility will save you time and money in the long run.
Installation Process
When I installed my Big Bore Kit, I learned that it requires some mechanical skills. While I was comfortable working on my ATV, I recommend assessing your abilities. If you’re not confident, consider hiring a professional mechanic. Some kits come with detailed instructions, which can be incredibly helpful.
Performance Upgrades
One of the best parts about the Big Bore Kit is the performance upgrades. After the installation, I noticed a marked difference in my ATV’s handling and power delivery. I was able to tackle steeper inclines and rough terrains with much more ease. I recommend pairing the kit with a high-performance exhaust and a proper jetting kit for the best results.
Cost Considerations
When I was budgeting for my Big Bore Kit, I found that prices can vary significantly based on the brand and included components. On average, I saw kits ranging from $250 to $600. Additionally, don’t forget to factor in potential installation costs if you choose to hire a mechanic.
Reviews and Reputation
Before making my purchase, I read numerous reviews from other riders who had installed the Big Bore Kit. Their experiences helped me gauge the overall satisfaction and reliability of different brands. I found that brands with a solid reputation tend to deliver better quality and customer service, which is essential for any aftermarket part.
Maintenance Post-Installation
After my Big Bore Kit installation, I learned that regular maintenance became even more critical. I began to pay closer attention to oil changes, air filter cleanliness, and overall engine health. Keeping up with maintenance ensured that my upgraded engine continued to perform at its best.
Investing in a Warrior 350 Big Bore Kit was one of the best decisions I made for my ATV. It transformed my riding experience and allowed me to explore more challenging terrains. I hope this guide helps you as you consider enhancing your own Warrior 350. Remember to take your time, do your research, and enjoy the ride!
Author Profile
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Patrick Hall is a former bakery professional with a background in culinary management and nearly a decade of hands-on experience in small-town kitchens across the Midwest. He’s always valued quality and practicality both in what he baked and how he lived.
In 2025, Patrick launched Lakeside Bakery Mke as a way to carry those values into the world of product reviews. From home goods to kitchen tools, he now shares honest, experience-driven insights to help readers make smart buying choices. Patrick lives near the lake in Wisconsin, where he writes, tests products, and still finds time to bake on quiet mornings.
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