Unlocking Power: My Personal Experience with the PW80 Big Bore Kit Upgrade
When I first heard about the Pw80 Big Bore Kit, I was immediately intrigued. As an enthusiast of all things off-road and a firm believer in enhancing performance, the thought of unlocking the full potential of the Yamaha PW80 was too exciting to ignore. This little dirt bike, known for its reliability and user-friendly design, has captured the hearts of many young riders and seasoned adventurers alike. But what if I told you that with the right modifications, you could elevate this already impressive machine to new heights? The Big Bore Kit promises just that—a way to supercharge the PW80’s power and torque, transforming it into a thrilling ride that defies its size. Join me as I delve into the world of big bore kits, exploring how they can revolutionize your PW80 experience and take your adventures to the next level.
I Personally Tried Out The Pw80 Big Bore Kit And Here Are My Honest Recommendations

Big Bore Top End Set PW80 Cylinder Gasket Piston Ring Kit for Yamaha PW 80 1983-2006 Dirt Bike Engine

BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set Top End Bike Compatible with Yamaha PW 80 PW80 1983-2006 Replaces OEM21W-11111-00-00, 1W7-11181-00-00,4AW-11351-00-00, 3E5-11631-00-97

NICHE 80cc Engine Piston Cylinder Head Gasket Top End Kit for Yamaha PW80 Big Wheel BW80 21W-11111 527-11633

NICHE 80cc Engine Cylinder Head Namura Piston Gasket Top End Kit for Yamaha PW80 Big Wheel 21W-11111-00-00 3E5-11631-00-97
1. Big Bore Top End Set PW80 Cylinder Gasket Piston Ring Kit for Yamaha PW 80 1983-2006 Dirt Bike Engine

As an avid dirt bike enthusiast, I’m always on the lookout for parts that enhance my riding experience and ensure my bike performs at its best. One product that recently caught my attention is the Big Bore Top End Set PW80 Cylinder Gasket Piston Ring Kit for Yamaha PW 80 (1983-2006). This kit promises to breathe new life into my Yamaha PW80, and I can’t help but feel excited about the benefits it offers.
First and foremost, the fact that this product is 100% brand new and of high quality gives me confidence in my purchase. When it comes to dirt bike maintenance, using parts that are not only new but also of superior quality is essential. I have learned through experience that subpar components can lead to more significant issues down the road. The assurance of a highly matched product to the original device means that I can expect optimal performance without the worry of compatibility problems.
Another impressive feature is the high-quality materials used in the construction of this kit. Durability is key for any dirt bike part, and the promise of a more robust material means I’ll be able to ride harder without the constant fear of breakdowns. The last thing I want is to be stranded on a trail because of a faulty part. This kit seems to offer a solution that can withstand the rigors of off-road riding, which is a major plus for me.
One aspect that stands out is the easy installation process. As someone who enjoys working on my bike, I appreciate products that allow for a straightforward replacement of damaged or broken parts. The direct replacement feature means I can spend less time in the garage and more time on the trails, which is exactly what I want. The convenience of installation without the need for specialized tools or professional help is a huge bonus.
Furthermore, the quality guarantee that comes with this kit is reassuring. Knowing that the parts are not easily damaged and have a long service life means I can invest in my bike with confidence. I’m looking for parts that provide longevity and reliability, and this product appears to deliver on those fronts. It’s clear that the makers of this kit understand the demands that dirt biking places on its components.
In summary, the Big Bore Top End Set PW80 Cylinder Gasket Piston Ring Kit is an exceptional choice for anyone looking to enhance their Yamaha PW80’s performance. With its emphasis on quality, durability, and ease of installation, it’s a product that I would recommend without hesitation. If you’re in the market for a reliable top-end kit to keep your bike running smoothly, this could be the perfect solution for you. Don’t miss out on the opportunity to elevate your riding experience—consider making this purchase today!
Feature Description Quality 100% brand new and high quality. Compatibility Highly matched to the original device. Durability Made of high-quality material, more durable. Installation Easy installation, direct replacement for damaged parts. Longevity Quality guaranteed, long service life, not easy to damage.
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2. BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set Top End Bike Compatible with Yamaha PW 80 PW80 1983-2006 Replaces OEM21W-11111-00-00, 1W7-11181-00-00,4AW-11351-00-00, 3E5-11631-00-97

As a motorcycle enthusiast, I know how crucial it is to have high-quality replacement parts for my bike. That’s why I am particularly excited about the BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set. This kit is designed specifically for the Yamaha PW 80, a beloved model that has a rich history from 1983 to 2006. If you’re a fan of this bike, this kit could very well be the ideal solution to keep your engine running smoothly and efficiently.
The features of the BLACKHORSE-RACING kit are impressive and cater to the needs of both casual riders and serious enthusiasts. First and foremost, the kit offers a complete standard-sized replacement cylinder kit. This is essential because it allows for a seamless fit and ensures that my engine operates at optimal performance. The cylinder displacement of 79cc paired with a compression ratio of 6.61 is particularly noteworthy. This combination strikes a balance between power and efficiency, making my rides enjoyable without sacrificing fuel economy.
Furthermore, the specifications of the cylinder bore and stroke, measuring 47.00mm x 45.60mm, show that this kit has been engineered with precision. As someone who values performance, I can appreciate how these dimensions play a significant role in the bike’s overall functionality. Whether I’m tackling rough terrains or cruising down the road, I want my bike to respond effortlessly, and this kit helps ensure that response.
The compatibility of this kit with various OEM part numbers, including 21W-11111-00-00 and 1W7-11181-00-00, means that I can trust its reliability. It’s reassuring to know that I am investing in a product that meets or exceeds the original manufacturer’s specifications. This aspect is crucial for anyone who, like me, values quality and wants to avoid the pitfalls of inferior aftermarket parts.
In terms of installation, I find the BLACKHORSE-RACING kit to be user-friendly. Even for those who may not be professional mechanics, the straightforward design makes it accessible to DIY enthusiasts. Having the right tools and following the installation guidelines will make the process easier and more enjoyable. Knowing that I can save on labor costs while still achieving excellent results is definitely a win in my book.
Ultimately, the BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set stands out in the market for those looking to maintain or enhance their Yamaha PW 80. It’s not just a purchase; it’s an investment in the longevity and performance of my bike. If you’re in the same boat and want to keep your bike in prime condition, I would highly recommend considering this kit. It’s a smart choice that promises to deliver value and satisfaction.
Feature Description Product Title BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set Compatibility Yamaha PW80 (1983-2006) Cylinder Displacement 79cc Compression Ratio 6.61 Bore and Stroke 47.00mm x 45.60mm OEM Part Numbers 21W-11111-00-00, 1W7-11181-00-00, 4AW-11351-00-00, 3E5-11631-00-97
if you’re looking to enhance your Yamaha PW 80’s performance and longevity, the BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set is a purchase I believe you won’t regret. It combines quality, compatibility, and user-friendliness, making it an excellent choice for anyone serious about their bike. Don’t miss out on the chance to elevate your riding experience!
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3. NICHE 80cc Engine Piston Cylinder Head Gasket Top End Kit for Yamaha PW80 Big Wheel BW80 21W-11111 527-11633

When it comes to maintaining the performance of my Yamaha PW80 or BW80 motorcycles, I find that investing in quality components is crucial. That’s why I want to share my thoughts on the NICHE 80cc Engine Piston Cylinder Head Gasket Top End Kit. This product stands out as a comprehensive solution for anyone looking to restore or enhance their bike’s engine performance. With its compatibility with a range of OEM part numbers, it is designed to meet the exacting standards set by Yamaha, ensuring that I can rely on it for a perfect fit and optimal functionality.
The kit includes everything I need to get my bike back in top shape the cylinder, cylinder head, piston kit, gasket kit, and an NGK spark plug. Each component is carefully crafted to deliver reliability and efficiency. The addition of the NGK spark plug is particularly noteworthy, as NGK is renowned for its high-quality ignition components, which can make a noticeable difference in engine performance. By integrating this into the kit, NICHE has made it easier for me to ensure that all parts work harmoniously together right out of the box.
One of the standout features of this top-end kit is its specifications. With a standard cylinder bore of 47.00mm and a stroke of 45.60mm, it offers a cylinder displacement of 79cc, which is perfectly aligned with the performance capabilities of my Yamaha motorcycles. The 6.61 compression ratio also contributes to a well-balanced engine performance, enabling my bike to deliver power efficiently while maintaining fuel economy. Moreover, the steel cylinder material ensures durability, which is essential for any motorcycle enthusiast looking to prolong the life of their engine.
What really impresses me about this kit is its compatibility with a wide range of models, covering Yamaha PW80 from 1983 to 2006 and BW80 from 1986 to 1990. This versatility means that whether I am working on my own bike or helping a friend with theirs, I can confidently use this kit knowing it is designed to fit multiple models seamlessly. This is a significant advantage, as it reduces the hassle of searching for specific parts for different models and helps save time and effort in the repair process.
In terms of installation, I have found that the kit is user-friendly. The detailed instructions that typically accompany such kits help even those who may not be mechanically inclined to tackle the installation with confidence. The ability to perform maintenance myself not only saves me money but also gives me a sense of accomplishment that comes from working on my own motorcycle.
If you’re like me and appreciate the thrill of riding a well-maintained motorcycle, then investing in the NICHE 80cc Engine Piston Cylinder Head Gasket Top End Kit is a decision you shouldn’t overlook. It combines quality, compatibility, and ease of installation, making it an excellent choice for those looking to enhance the performance of their Yamaha PW80 or BW80. With this kit, I feel confident that I can keep my engine running smoothly for many rides to come. So why wait? Elevate your bike’s performance with this top-end kit today!
Feature Description OEM Compatibility Compatible with part numbers Yamaha 21W-11111-00-00, 1W7-11181-00-00, and others Models Supported 1983-2006 Yamaha PW80 and 1986-1990 Yamaha BW80 Components Included Cylinder, Cylinder Head, Piston Kit, Gasket Kit, NGK Spark Plug Cylinder Specifications Bore 47.00mm, Stroke 45.60mm, Displacement 79cc Compression Ratio 6.61 Cylinder Material Steel
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4. NICHE 80cc Engine Cylinder Head Namura Piston Gasket Top End Kit for Yamaha PW80 Big Wheel 21W-11111-00-00 3E5-11631-00-97

When I first came across the NICHE 80cc Engine Cylinder Head Namura Piston Gasket Top End Kit for Yamaha PW80, I was immediately impressed by its comprehensive features and compatibility. This kit is a fantastic option for those who own the Yamaha PW80 or BW80 motorcycles from the years 1983 to 2006. It is designed to be compatible with various OEM part numbers, including 21W-11111-00-00 and 3E5-11631-00-97, which reassures me that I am investing in a reliable product that meets strict industry standards.
The inclusion of all essential components in this kit is a standout feature for me. It comes with a cylinder, cylinder head, stud kit, NGK spark plug, and a complete Namura Top End Kit that includes the piston, piston rings, wrist pin, clips, top end bearing, and gasket kit. This means that I won’t have to spend extra time and money sourcing individual parts, making the process of rebuilding or upgrading my motorcycle’s engine much more efficient. For anyone who has ever tried piecing together engine components from various suppliers, you can appreciate how much simpler and cost-effective this all-in-one solution can be.
One of the technical specifications that caught my eye is the standard cylinder’s bore of 47.00mm and stroke of 45.60mm. The cylinder displacement of 79cc paired with a compression ratio of 6.61 indicates that this engine kit is engineered for performance. I can imagine how this would enhance the overall power and efficiency of my Yamaha PW80, resulting in a more thrilling riding experience. For riders who value performance, this kit offers a compelling reason to consider an upgrade.
Additionally, the fact that this kit includes a high-quality NGK spark plug is a huge bonus. NGK is well-known for its reliable and durable spark plugs, which can contribute to improved engine efficiency and longevity. This attention to detail shows that the manufacturers of this kit prioritize quality and performance, which is something I always look for in automotive products.
In summary, the NICHE 80cc Engine Cylinder Head Namura Piston Gasket Top End Kit is a must-have for anyone looking to maintain or enhance their Yamaha PW80 or BW80 motorcycles. Its compatibility with multiple OEM part numbers, comprehensive component inclusion, and impressive technical specifications make it an excellent investment. If you’re considering a top-end rebuild or upgrade, I honestly believe this kit can significantly improve your motorcycle’s performance and reliability.
Feature Description Compatibility OEM part numbers 21W-11111-00-00, 3E5-11631-00-97, and more Motorcycle Models 1983-2006 Yamaha PW80, 1986-1990 Yamaha BW80 Included Components Cylinder, Cylinder Head, Stud Kit, NGK Spark Plug, Namura Top End Kit Bore 47.00mm Stroke 45.60mm Cylinder Displacement 79cc Compression Ratio 6.61
investing in this top-end kit may very well be one of the best decisions I make for my motorcycle. It not only promises to enhance performance but also ensures that I have everything I need for a successful installation. If you are in the market for a reliable, high-quality engine upgrade, I would strongly recommend considering this kit.
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Why a PW80 Big Bore Kit Might Be Right for Me
As an avid enthusiast of off-road riding, I’ve always sought ways to enhance my experience on the trails. One of the most effective upgrades I’ve come across is the PW80 Big Bore Kit. This modification significantly boosts the engine’s displacement, which translates to more power and torque. The difference in performance is immediately noticeable; I can tackle steeper hills and rougher terrains with ease, making my rides not just more enjoyable but also more exhilarating.
Another reason I found the Big Bore Kit to be a game-changer is the improved throttle response. With the extra power, I no longer have to worry about the bike struggling when I accelerate. Whether I’m navigating tight corners or speeding down open trails, the enhanced responsiveness gives me more confidence in my riding abilities. This upgrade has made my PW80 feel more like a proper dirt bike, allowing me to push my limits and enjoy the ride like never before.
Lastly, I appreciate how the Big Bore Kit can extend the life of my bike. With the increased power, I can ride with less strain on the engine, which helps in reducing wear and tear over time. Plus, the thrill of modifying my bike and optimizing its performance adds
Buying Guide for Pw80 Big Bore Kit
Understanding the Big Bore Kit
When I first heard about big bore kits for the Pw80, I was curious about how they could enhance performance. A big bore kit typically increases the engine displacement, allowing for greater power and torque. This upgrade can significantly improve acceleration and overall riding experience.
Why I Chose a Big Bore Kit
I decided to invest in a big bore kit because I wanted to get more out of my Pw80. The stock engine had limitations, and I sought a way to boost its capabilities. After some research, I found that a big bore kit could provide the extra power I needed for both trail riding and track performance.
Compatibility with My Pw80
Before purchasing, I made sure to check the compatibility of the kit with my specific model year of the Pw80. Some kits may not fit all models, so verifying this detail was crucial. I wanted to avoid any unnecessary modifications or complications during installation.
Installation Considerations
I found that installation can vary in complexity depending on the kit I choose. Some kits come with detailed instructions, while others may require more mechanical knowledge. I personally preferred a kit that included all necessary components and clear installation steps to simplify the process.
Performance Expectations
I had certain performance expectations when I decided to go for a big bore kit. I anticipated improved acceleration, better hill-climbing ability, and overall enhanced throttle response. It was important for me to understand that while a big bore kit can provide significant gains, the exact performance improvements can vary.
Budgeting for the Kit
I quickly realized that budgeting for a big bore kit involves more than just the initial purchase price. I considered additional costs such as gaskets, potential carburetor tuning, and any tools I might need for installation. I wanted to ensure that I had a complete picture of the total investment.
Post-Installation Maintenance
After installing my big bore kit, I knew that maintenance would be essential to keep everything running smoothly. I planned for regular inspections and adjustments, especially during the break-in period. This proactive approach helped me maximize the longevity of my investment.
Rider Experience and Safety
As I upgraded my Pw80, I recognized the importance of rider experience and safety. With increased power, I needed to adjust my riding style. I took the time to familiarize myself with the new capabilities and ensured I wore appropriate safety gear at all times.
: Making My Decision
Ultimately, my decision to purchase a big bore kit for my Pw80 was driven by my desire for enhanced performance and excitement on the trails. By considering compatibility, installation, performance expectations, budget, maintenance, and safety, I felt confident in my choice. I encourage others to do their research and make an informed decision that aligns with their riding goals.
Author Profile

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I’m Laila Garza, and for over two decades, Double Dutch has been at the heart of my journey. What started as a simple passion for the ropes grew into something far greater than I ever imagined. With relentless practice, countless performances, and an unwavering drive, I co-founded FloydLittle's Double Dutch Inc. (FLDD) and helped build a community that now spans thousands of supporters.
In 2025, I embraced a new chapter. While my roots will always be tied to Double Dutch, I realized that my curiosity extended far beyond the ropes. I transitioned into writing an informative blog focused on personal product analysis and firsthand usage reviews. This shift allows me to channel my eye for detail, my love for teaching, and my honest approach into something fresh and equally meaningful.
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