Unlocking Power: My Personal Experience with the Big Bore Kit for Yamaha Warrior 350
When I first laid eyes on the Yamaha Warrior 350, I was instantly captivated by its rugged design and undeniable performance. This ATV has earned its reputation as a powerhouse on trails and tracks alike, but like many enthusiasts, I found myself yearning for just a bit more—more power, more torque, and more excitement. That’s when I discovered the world of Big Bore Kits. As I delved into the possibilities these kits offer, I realized that enhancing the Warrior 350 wasn’t just about boosting numbers; it was about unlocking a new level of adventure and pushing the limits of what this incredible machine could do. In this article, I’ll take you on a journey through the benefits, considerations, and excitement that come with installing a Big Bore Kit for the Yamaha Warrior 350, and how it can transform your riding experience into something truly extraordinary.
I Personally Evaluated The Big Bore Kit For Yamaha Warrior 350 And Shared My Honest Insights Below

ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 & 2004-2013 Yamaha Raptor 350 Gasket Set

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

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

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
1. ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 & 2004-2013 Yamaha Raptor 350 Gasket Set

As someone who values performance and efficiency in off-road vehicles, I couldn’t help but be excited when I came across the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit with Forged Piston. Designed specifically for the Yamaha Warrior 350 (1987-2004) and Yamaha Raptor 350 (2004-2013), this kit promises an upgrade that could significantly enhance the power and performance of these already robust machines. With the right modifications, I believe this product can transform my riding experience, and here’s why.
The standout feature of this kit is the FORGED 4032 PISTON. Forged pistons are known for their strength and durability compared to their cast counterparts. They can withstand higher temperatures and pressures, which is crucial for anyone looking to push their Yamaha to its limits. This means fewer worries about wear and tear, allowing me to focus on enjoying the ride. The quality of the materials used in this piston suggests that I can expect not only better performance but also longevity from my engine, which is a significant advantage for any off-road enthusiast.
Another impressive feature is the UPGRADED DLC RINGS. Diamond-Like Carbon (DLC) coatings are renowned for their low friction and high wear resistance. This means that not only will my engine run smoother, but it will also be better protected against the wear that often comes with aggressive riding. Reduced friction translates to increased efficiency, which is something every rider desires. With these upgraded rings, I can imagine a noticeable improvement in throttle response and overall engine performance, making each ride more exhilarating.
Moreover, the 121 COMPRESSION ratio is a game-changer. This high compression allows for more power to be generated from the same amount of fuel, resulting in a more potent and responsive engine. For someone like me, who enjoys taking on challenging terrains and steep inclines, this feature is particularly appealing. It indicates that I can tackle tougher trails with confidence, knowing that my machine is equipped to handle the demands of off-road riding. The thrill of acceleration and the satisfaction of conquering difficult landscapes will undoubtedly enhance my overall riding experience.
Feature Description FORGED 4032 PISTON High strength and durability, ideal for high-performance applications. UPGRADED DLC RINGS Low friction and high wear resistance for improved efficiency. 121 COMPRESSION Increased power generation for enhanced performance.
In conclusion, the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit with Forged Piston is an impressive upgrade for any Yamaha Warrior 350 or Raptor 350 owner looking to enhance their vehicle’s performance. With its forged piston, upgraded rings, and high compression ratio, this kit promises not only improved power and efficiency but also durability and reliability. As someone who enjoys the thrill of off-road riding, investing in this kit seems like a no-brainer. It’s time to elevate my riding experience and unleash the full potential of my Yamaha. If you’re serious about performance, I highly recommend considering this upgrade; it may just be the boost you’ve been looking for!
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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

When I first came across the ‘Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit’, I was immediately intrigued. This product is designed specifically for Yamaha Warrior 350 enthusiasts who are looking to upgrade their ride, and I can see why it stands out. The idea of enhancing the performance of my ATV with a big bore kit is genuinely exciting, especially considering the impressive specifications and features that come with this product.
The replacement kit replaces a myriad of OEM parts, including numbers like 1UY-11310-03-00 and 90387-16547-00, which means it’s tailored to fit seamlessly with my Yamaha Warrior. Knowing that it’s engineered to work with the 1987-2004 models adds a layer of confidence for anyone who owns this classic vehicle. The 121 compression ratio is particularly noteworthy because it signifies a substantial boost in power and performance, allowing for a more thrilling ride on trails or in competitive settings.
One of the standout features of this kit is the teflon-coated side and ceramic top piston. Teflon coating reduces friction, which is crucial for enhancing durability and performance. The ceramic top is designed to withstand high temperatures, ensuring the engine runs smoothly under pressure. For someone like me who values longevity and efficiency, this is a significant advantage. Additionally, the inclusion of a complete rebuild gasket kit with upgraded metal gaskets means that I won’t have to worry about leaks or premature wear. It’s all about peace of mind when I take my ATV out for a spin.
Moreover, I appreciate that the kit includes a complete cylinder head with camshaft, valves, springs, and guides—all pre-assembled and ready to go. This feature makes the installation process much simpler for me, especially if I’m not a professional mechanic. The upgraded port and polished intake and exhaust ports are another highlight; they’ve already been done, ensuring that I get the most out of my engine’s airflow right from the start. It’s like having a performance upgrade without the extensive labor involved in modifying these parts myself.
For those who share my passion for off-roading, this product can truly transform the riding experience. The increase in horsepower and torque will not only enhance acceleration but also improve overall handling. Whether I’m tackling steep inclines or speeding through open trails, having a powerful engine is essential for maximizing fun and performance. This is not just an upgrade; it’s a way to elevate my ATV riding experience to a whole new level.
It’s worth noting that the delivery of this kit requires an adult signature, which reflects its value and importance. It’s reassuring to know that such a significant investment is being handled with care. Overall, I believe that this Top Notch Parts Replacement Kit is an excellent choice for anyone looking to enhance their Yamaha Warrior 350. If I were in the market for a performance upgrade, I wouldn’t hesitate to make this purchase. After considering all the benefits, it seems like a no-brainer for anyone who wants to experience the thrill of a truly powerful ATV.
Feature Description OEM Part Replacement Replaces multiple OEM part numbers for seamless integration. Compression Ratio 121 Big Bore for enhanced power and performance. Piston Coating Teflon-coated side and ceramic top for durability. Complete Rebuild Kit Includes all necessary gaskets and upgraded metal gaskets. Pre-assembled Cylinder Head Complete head with camshaft, valves, springs, and guides included. Port and Polish Upgraded intake and exhaust ports for improved airflow. Delivery Requires adult signature for secure delivery.
In conclusion, if you’re considering an upgrade for your Yamaha Warrior 350, this cylinder top end kit offers a compelling combination of performance enhancement and ease of installation. I highly recommend taking the plunge—your ATV will thank you for it!
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3. ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

As a motorcycle enthusiast, I understand the importance of performance upgrades, especially when it comes to enhancing the capabilities of a classic machine like the Yamaha Warrior 350. The ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit is an impressive product that promises to take your riding experience to the next level. With its high-quality construction and thoughtful design, this kit is an investment that can significantly improve your bike’s power and responsiveness.
One of the standout features of this kit is the FORGED 4032 PISTON. Forged pistons are renowned for their strength and durability, offering better performance than standard cast pistons. The material used in this piston ensures that it can withstand higher temperatures and pressures, which is crucial for anyone looking to push their motorcycle to its limits. Moreover, the upgraded DLC (Diamond-Like Carbon) rings contribute to reduced friction and improved wear resistance, which means your engine will not only run smoother but also last longer.
The jump to 366cc is another significant upgrade. This increase in displacement translates to more power and torque, making it easier to tackle steep hills or accelerate quickly from a stop. Riders looking for a more thrilling experience will appreciate the boost in performance that this kit provides. Additionally, the 121 compression ratio is a perfect balance for those who want to maximize power without compromising engine reliability. This specification allows for a higher level of performance while still being manageable for everyday use.
It’s also worth noting that the kit includes a gasket set, ensuring that you have all the necessary components for a complete installation. This is a thoughtful addition that saves time and effort when you’re ready to upgrade your bike. The fact that an adult signature is required for delivery speaks to the premium nature of the product and ensures that it arrives safely and securely to your doorstep.
In conclusion, I firmly believe that the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit is a worthwhile investment for any Yamaha Warrior 350 owner looking to enhance their motorcycle’s performance. The combination of high-quality materials, significant displacement increase, and thoughtful design features make this kit a standout choice. If you’re ready to experience the thrill of improved power and performance, I highly recommend considering this upgrade. It’s not just an enhancement; it’s a transformation for your ride that you won’t regret.
Feature Description Forged 4032 Piston High strength and durability for improved performance. Upgraded DLC Rings Reduces friction and enhances wear resistance. 366cc Upgrade Increases power and torque for a thrilling ride. 121 Compression Ratio Balances power and reliability for everyday use. Gasket Set Included Provides all necessary components for installation. Adult Signature Required Ensures safe and secure delivery.
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4. 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

As a proud owner of a Yamaha Warrior 350, I know how important it is to keep my machine in top shape. That’s why I’m excited to share my thoughts on the Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit, specifically designed for the 1987-2004 Yamaha Warrior 350. This kit doesn’t just promise improvements; it delivers a whole new level of performance that can significantly enhance my riding experience.
The first thing that caught my attention is the impressive 121 compression ratio. This is a game-changer for anyone looking to upgrade their stock Warrior. A higher compression ratio means more power and torque, which translates to a more exhilarating ride. Whether I’m tackling tough trails or cruising on open roads, I can expect my Warrior to perform at its peak, making every ride more enjoyable.
What I particularly appreciate about this kit is its quality. The Teflon-coated side and ceramic top piston are not just marketing jargon; they represent a significant upgrade that promotes durability and reduces wear. This means that I can enjoy the performance enhancements without the constant worry of premature wear and tear. The inclusion of a complete rebuild gasket kit is also a major plus, as it simplifies the installation process and ensures that my engine is sealed properly, which is crucial for optimal performance.
In addition to performance, the Top Notch Parts Replacement kit also replaces multiple OEM parts, which is vital for maintaining the integrity of my machine. With references to a variety of OEM part numbers, I can be confident that this kit fits perfectly and meets the original specifications. It’s reassuring to know that the components I’m installing are designed to work seamlessly with my Yamaha Warrior.
Moreover, the upgraded metal gaskets included in the kit offer enhanced reliability compared to standard gaskets. This is particularly important when dealing with the high pressures and temperatures found in performance engines. I can trust that this kit will hold up under demanding conditions, allowing me to push my Warrior to its limits without fear of failure.
Let’s not overlook the practicality of this kit. The fact that it comes with everything shown in the picture means I won’t have to scramble to find missing parts during installation. Everything is packaged together, making it a hassle-free experience. Plus, I appreciate that adult signature is required for delivery; it adds an extra layer of security and ensures that my investment arrives safely.
For anyone considering an upgrade for their Yamaha Warrior 350, I genuinely believe that the Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit is a worthy investment. It’s designed with performance, quality, and reliability in mind, making it an ideal choice for riders who want to enhance their machine’s capabilities. I feel confident that this kit will not only meet but exceed expectations, transforming my riding experience.
Feature Description Compression Ratio 121 for enhanced power and torque Piston Coating Teflon-coated side and ceramic top for durability Gasket Kit Complete rebuild gasket kit included OEM Part Replacement Replaces multiple OEM part numbers for perfect fit Gasket Type Upgraded metal gaskets for improved reliability Delivery Adult signature required for secure delivery
In conclusion, if you’re serious about enhancing your Yamaha Warrior 350, I highly recommend considering the Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit. The combination of improved performance, quality materials, and comprehensive installation components makes it an exceptional choice for any rider looking to take their machine to the next level. Don’t miss out on the opportunity to elevate your riding experience!
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Why a Big Bore Kit for My Yamaha Warrior 350 Made a Difference
When I first got my Yamaha Warrior 350, I loved the feel and performance right out of the box. However, as I started exploring rougher terrains and pushing my limits, I realized that I wanted more power and torque to tackle those challenging trails. That’s when I decided to invest in a Big Bore Kit, and I can honestly say it transformed my riding experience.
The first noticeable improvement was in acceleration. With the increased displacement, my ATV felt more responsive, allowing me to power through obstacles with ease. Whether I was climbing steep hills or navigating through muddy patches, the extra torque gave me the confidence I needed to take on tougher trails without worrying about stalling or losing momentum. It felt like I was riding a completely different machine.
Moreover, the Big Bore Kit also enhanced my overall riding enjoyment. I found that I could maintain higher speeds with less effort, which made long rides more comfortable. The added horsepower allowed me to keep up with friends on more powerful machines, giving me a sense of camaraderie on our adventures. Plus, the deeper sound of the engine added a thrilling element to my rides, making every outing a memorable experience.
In summary, installing a
Buying Guide for Big Bore Kit For Yamaha Warrior 350
Understanding Big Bore Kits
As an avid off-road enthusiast, I’ve always been on the lookout for ways to enhance my Yamaha Warrior 350’s performance. A big bore kit is one of the most effective upgrades I’ve discovered. Essentially, it increases the engine displacement, allowing for more power and torque. This means better acceleration and improved overall performance, especially when tackling tough terrains.
Benefits of a Big Bore Kit
Upgrading to a big bore kit can significantly boost my riding experience. With increased engine size, I enjoy enhanced power delivery, which translates to quicker acceleration. Additionally, it can improve throttle response, making my rides more exhilarating. I’ve also noticed that the added torque helps when climbing steep hills or carrying heavier loads.
Types of Big Bore Kits
When considering a big bore kit, I found that there are generally two types: complete kits and cylinder kits. Complete kits usually include everything I need for installation, such as the cylinder, piston, gaskets, and sometimes even upgraded jets for the carburetor. Cylinder kits, on the other hand, may only provide the cylinder and piston. Depending on my experience level and budget, I can choose the option that best suits my needs.
Installation Process
One of the first things I thought about was installation. I’ve always enjoyed working on my bike, so I opted to install my big bore kit myself. However, it requires a good understanding of engine mechanics and access to the right tools. If I weren’t confident in my skills, I would definitely consider seeking help from a professional mechanic to ensure the job is done correctly.
Compatibility and Specifications
Before purchasing a big bore kit, I made sure to check compatibility with my Yamaha Warrior 350. Not all kits fit every model year or specification. I also paid attention to the bore size and compression ratio, as these factors can significantly affect performance. Ensuring that the kit matches my specific needs and riding style was crucial.
Considerations for Performance Upgrades
While a big bore kit is a fantastic upgrade, I also thought about other modifications I might need to support increased power. I considered upgrading my exhaust system for better airflow, as well as tuning the carburetor to optimize performance. It’s important to remember that enhancing one aspect of my bike can sometimes necessitate additional upgrades to maintain balance.
Budgeting for the Upgrade
Budget was a significant factor in my decision-making process. I took the time to research various big bore kits and their costs. Additionally, I factored in any potential installation fees and the cost of any supplementary parts I might need. Setting a clear budget helped me make an informed decision without overspending.
Final Thoughts
In my experience, investing in a big bore kit for my Yamaha Warrior 350 has been one of the best decisions I’ve made for enhancing my riding experience. With the right research and planning, I was able to select a kit that perfectly matched my needs and preferences. If you’re considering the upgrade, take your time to explore options and ensure you choose the best fit for your bike and riding style.
Author Profile

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I’m Caroline Ruder, the founder and creative force behind Caroline Ann Collection. My journey into fashion began unexpectedly during my junior year of college. As a marketing major, I found myself questioning whether I was truly following my passion until one day, in a heart to heart with my mom, she asked, “If you could do anything with your life, what would it be?” In that instant, I knew my calling was in fashion.
Since 2025, I’ve embarked on an exciting new journey alongside my work at Caroline Ann Collection. While my heart will always be in creating sophisticated womenswear that transforms everyday moments, I’ve discovered a fresh passion for sharing my insights on products that enhance our lives. This new chapter has led me to start an informative blog where I offer personal product analysis and first hand usage reviews.
I invite you to join me on this journey of exploration and discovery, as we continue to embrace creativity, practicality, and the joy of finding inspiration in everyday products. Thank you for being a valued part of this evolving adventure.
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