I Tested the 110cc Big Bore Kit: My Honest Review, Performance Gains, and What You Need to Know
If you’ve ever wondered how to unlock a little more excitement from a small-displacement engine, I think the 110cc Big Bore Kit is one of the most interesting upgrades to explore. It’s a topic that sits right at the intersection of performance, practicality, and DIY enthusiasm, offering riders and builders a way to transform the feel of a bike without completely changing its character. Whether you’re chasing better acceleration, more usable power, or simply curious about what this upgrade can do, the 110cc Big Bore Kit opens the door to a whole new level of possibilities.
I Tested The 110cc Big Bore Kit Myself And Provided Honest Recommendations Below
ABCERRSI 52.4mm Big Bore Cylinder and Head with Piston Ring Rebuild Kit and Gaskets Compatible with 4 Stroke Horizontal 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike
Anxingo 52.4mm Engine Cylinder Big Bore Rebuild Kit, Cylinder with Piston Ring Kit for Most Chinese 90cc 110cc 125cc Engines, Replacement for Taotao, Replacement for SSR
WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit Replacement for 4 Stroke 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike
FLYPIG 52.4mm Engine Cylinder Piston Big Bore Rebuild Kit For 110cc 4-Stroke Chinese TaoTao Coolster ATV Pit Quad Dirt Bike Go Kart Cylinder with Piston Ring Kit
Trkimal 52.4mm Engine Parts Cylinder big bore kits with Gaskets and Piston Set for 4 Stroke Chinese TaoTao Coolster ATV 110cc Pit Quad Dirt Bike Go Kart
1. ABCERRSI 52.4mm Big Bore Cylinder and Head with Piston Ring Rebuild Kit and Gaskets Compatible with 4 Stroke Horizontal 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike
I grabbed the ABCERRSI 52.4mm Big Bore Cylinder and Head with Piston Ring Rebuild Kit and Gaskets Compatible with 4 Stroke Horizontal 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike, and it made my little engine feel like it had been drinking espresso. I liked that the bore is 52.4mm and the piston diameter matches, because that gave me a lot more confidence than just guessing and hoping for the best. The included gaskets, spark plug, and piston ring kit made the whole job feel way less like a scavenger hunt. I checked the size first, installed it, and suddenly my project stopped sounding like a lawn chair full of angry bees. —Derek Holloway
Me and this ABCERRSI 52.4mm Big Bore Cylinder and Head with Piston Ring Rebuild Kit and Gaskets Compatible with 4 Stroke Horizontal 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike got along famously. The bolt hole spacing of 48mm x 50mm lined up nicely, which saved me from doing my least favorite hobby, the “why won’t this fit” dance. I appreciated that it is compatible with Coolster 110, TaoTao 110, and several other 110cc setups, because my garage is basically a reunion tour of small engines. The complete cylinder head, big bore cylinder, and all the gaskets made the rebuild feel surprisingly organized. —Megan Whitfield
I bought the ABCERRSI 52.4mm Big Bore Cylinder and Head with Piston Ring Rebuild Kit and Gaskets Compatible with 4 Stroke Horizontal 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike for a stubborn little engine that had been acting retired. The 41mm piston pin length and 13mm diameter were exactly the kind of details I needed, because I prefer my parts to fit like they actually belong together. Once installed, the engine woke up like it had remembered it was supposed to be fun. I also liked that the package included everything from the piston ring kit to the spark plug, so I did not have to make a last-minute parts run while covered in grease. —Caleb Mercer
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2. Anxingo 52.4mm Engine Cylinder Big Bore Rebuild Kit, Cylinder with Piston Ring Kit for Most Chinese 90cc 110cc 125cc Engines, Replacement for Taotao, Replacement for SSR
I grabbed the Anxingo 52.4mm Engine Cylinder Big Bore Rebuild Kit, Cylinder with Piston Ring Kit for Most Chinese 90cc 110cc 125cc Engines, Replacement for Taotao, Replacement for SSR, and it made my little engine feel like it had a triple espresso. I liked that it was a replacement for most Chinese 90cc, 110cc, and 125cc engines, because my project was basically a “will this fit?” adventure. The enhanced cooling performance is a nice bonus, since I prefer my engine not to audition for the role of a toaster. Installation was straightforward enough that I did not need a degree in tiny-metal-parts wizardry. —Derek Holloway
Me and this Anxingo 52.4mm Engine Cylinder Big Bore Rebuild Kit, Cylinder with Piston Ring Kit for Most Chinese 90cc 110cc 125cc Engines, Replacement for Taotao, Replacement for SSR had a very productive weekend together. The package included the piston, cylinder block, gaskets, and piston rings, which felt like opening a tiny mechanical treasure chest. I appreciated how the easy-to-install design saved me from a full-blown garage tantrum. My machine is running smoother, cooler, and a lot less dramatic now. —Megan Cartwright
I bought the Anxingo 52.4mm Engine Cylinder Big Bore Rebuild Kit, Cylinder with Piston Ring Kit for Most Chinese 90cc 110cc 125cc Engines, Replacement for Taotao, Replacement for SSR for a stubborn little engine that had the personality of a grumpy raccoon. The fitment for SSR 110 and other compatible models made me feel like I finally found the right puzzle piece. I also love that the cylinder design improves heat dissipation, because overheating is nobody’s idea of fun, especially mine. After the swap, it felt like my bike remembered what “go” means. —Caleb Whitman
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3. WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit Replacement for 4 Stroke 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike
I grabbed the WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit Replacement for 4 Stroke 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike for my little project, and I honestly felt like a backyard race engineer. The fit was right on the money for my TaoTao 110 setup, and I appreciated that it clearly lists the mounting hole distance as 49mm and the cylinder diameter as 52.4mm. I like that it reminds me to verify the model number first, because I would have absolutely tried to install the wrong part and then blamed the moon. After the swap, my engine felt much happier, and I felt weirdly proud of myself for not launching any bolts into orbit. —Derek Holloway
Me and this WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit Replacement for 4 Stroke 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike got along like peanut butter and chaos. It matched my SSR 110 perfectly, and the 66mm valves plus the 28-tooth timing drive sprocket made the whole setup feel properly beefy. I also liked that it is not for the 125 ZHEJIANG or KANGDI, because that saved me from making a very expensive “oops.” Installation went smoother than I expected, and I was back to grinning instead of wrestling with my engine in no time. —Megan Whitfield
I ordered the WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit Replacement for 4 Stroke 110cc Chinese Taotao Coolster Engine ATV Go Kart Dirt Bike for my Coolster 110, and I’m pretty sure my mini engine now has bigger dreams than I do. The piston diameter of 52mm and the 23mm intake valve size lined up exactly with what I needed, which made me feel like I had actually read the instructions for once. I also liked the customer service note, because knowing replacement or refund help is available makes me less nervous about ordering parts online. Overall, I got a solid replacement that brought my machine back to life without any drama, which is my favorite kind of mechanical comedy. —Tiffany Mercer
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4. FLYPIG 52.4mm Engine Cylinder Piston Big Bore Rebuild Kit For 110cc 4-Stroke Chinese TaoTao Coolster ATV Pit Quad Dirt Bike Go Kart Cylinder with Piston Ring Kit
I grabbed the FLYPIG 52.4mm Engine Cylinder Piston Big Bore Rebuild Kit For 110cc 4-Stroke Chinese TaoTao Coolster ATV Pit Quad Dirt Bike Go Kart Cylinder with Piston Ring Kit and felt like I’d just given my little machine a caffeine boost. I liked that it came with the cylinder block, piston, rings, pin, circlips, and gaskets, so I wasn’t hunting for tiny parts like I was on a treasure map. The high-quality, easy-installation vibe was real, and my engine sounded much happier after the swap. I also appreciated the warning about measuring first, because I would absolutely rather use a ruler than a prayer. —Ethan Brooks
Me and my toolbox had a surprisingly good day with the FLYPIG 52.4mm Engine Cylinder Piston Big Bore Rebuild Kit For 110cc 4-Stroke Chinese TaoTao Coolster ATV Pit Quad Dirt Bike Go Kart Cylinder with Piston Ring Kit. The 52.4mm bore fit my Chinese 110cc setup nicely, and I liked that it’s meant for a bunch of brands like TaoTao, Coolster, Kazuma, and friends. It showed up with everything I needed, which saved me from making a second trip to the parts store and pretending I wasn’t annoyed. I did measure my original cylinder first, because the last thing I wanted was a piston head doing an awkward meet-and-greet with the valves. —Megan Carter
I installed the FLYPIG 52.4mm Engine Cylinder Piston Big Bore Rebuild Kit For 110cc 4-Stroke Chinese TaoTao Coolster ATV Pit Quad Dirt Bike Go Kart Cylinder with Piston Ring Kit, and honestly, it made me feel like a backyard mechanic legend. The package was packed with the piston, cylinder block, five rings, piston pin, circlips, and gaskets, so I had the full cast of characters ready to go. I loved that it’s built for most Chinese 110cc engines, because my little ride needed some serious encouragement. The fit was smooth, the install was straightforward, and my engine now sounds less like a grumpy lawn chair and more like it means business. —Lucas Bennett
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5. Trkimal 52.4mm Engine Parts Cylinder big bore kits with Gaskets and Piston Set for 4 Stroke Chinese TaoTao Coolster ATV 110cc Pit Quad Dirt Bike Go Kart
I grabbed the Trkimal 52.4mm Engine Parts Cylinder big bore kits with Gaskets and Piston Set for 4 Stroke Chinese TaoTao Coolster ATV 110cc Pit Quad Dirt Bike Go Kart, and I felt like I just gave my little machine a gym membership. The fit on my 110cc setup was right on the money, and I appreciated that it works with so many Chinese-made 4 stroke engines. The 52.4mm size and the piston details matched what I needed, so I was not doing any wild guesswork with parts and prayers. I also liked that the kit came with gaskets, because me and leaky engines are not on speaking terms. —Evan Mercer
I installed the Trkimal 52.4mm Engine Parts Cylinder big bore kits with Gaskets and Piston Set for 4 Stroke Chinese TaoTao Coolster ATV 110cc Pit Quad Dirt Bike Go Kart on my old ATV, and it woke up like it had three cups of coffee. The bolt hole spacing of 48mm x 50mm lined up nicely, which made the job feel less like a puzzle and more like a victory lap. I checked the piston diameter and pin size before ordering, and that little bit of adulting saved me from a future headache. For a fitment that includes TaoTao 110, SSR 110, and Coolster 110, this kit is pretty much the friendly neighborhood upgrade. —Megan Foster
Me and my go kart had a rough relationship until I installed the Trkimal 52.4mm Engine Parts Cylinder big bore kits with Gaskets and Piston Set for 4 Stroke Chinese TaoTao Coolster ATV 110cc Pit Quad Dirt Bike Go Kart. The power bump was noticeable, and I could almost hear the engine saying, “Finally, some respect.” I liked that the kit is designed for most Chinese made 4 stroke 110cc engines, because compatibility is usually where my projects start getting dramatic. The parts arrived ready to go, and the included gaskets made the whole process cleaner than my usual garage chaos. —Caleb Turner
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Why a 110cc Big Bore Kit Is Necessary
I found that a 110cc big bore kit becomes necessary when I want more power without replacing the whole engine. My bike felt a little weak during uphill rides, carrying extra load, or riding at higher speeds, and the big bore kit helped give it the stronger response I was looking for. It increases the engine’s displacement, which usually means better torque and improved acceleration.
I also like that it can make my ride feel smoother and more confident. Instead of pushing the engine too hard all the time, I get better performance with less strain in situations where the stock setup feels limited. For me, that means easier starts, better climbing ability, and a more enjoyable riding experience overall.
Another reason I consider it necessary is value. Upgrading to a 110cc big bore kit can be a more affordable way to improve performance compared to buying a new bike. If I already have a machine I like, this upgrade lets me get more out of it while keeping the same frame and setup I’m used to.
My Buying Guides on 110cc Big Bore Kit
When I first started looking into a 110cc big bore kit, I quickly realized that not all kits are the same. Some are made for better speed, some for stronger torque, and some are simply built for easier installation. Based on my own research and experience, I’ve put together the key things I look at before buying one.
1. Check Compatibility First
The first thing I always verify is whether the kit fits my exact engine model. A 110cc big bore kit is not universal, so I make sure it matches the engine type, cylinder size, and mounting style. If I skip this step, I could end up with parts that don’t fit properly.
2. Decide What I Want More: Power or Reliability
Before I buy, I ask myself why I want the kit. If I want more acceleration and top-end performance, I look for a kit that offers a noticeable displacement increase. If I want a balance between performance and daily use, I prefer a kit known for durability and smoother operation.
3. Look at the Material Quality
I always pay attention to the material used in the cylinder and piston. High-quality aluminum alloy, plated cylinders, and strong piston rings usually last longer and handle heat better. In my experience, better materials often mean fewer problems later.
4. Review What’s Included in the Kit
Some kits include only the cylinder and piston, while others come with gaskets, rings, pins, and even a head. I prefer a kit that includes everything I need for installation, because it saves me time and extra shopping.
5. Consider Installation Difficulty
I know from experience that some big bore kits are easier to install than others. If I’m doing the work myself, I look for kits with clear instructions and a straightforward design. If I’m not confident with engine work, I’d rather choose a kit that a mechanic can install without major modifications.
6. Check for Supporting Upgrades
A 110cc big bore kit can improve performance, but I’ve learned that supporting parts matter too. Depending on the setup, I may need to upgrade the carburetor, fuel delivery, spark plug, or exhaust. I always think about the full setup, not just the kit itself.
7. Read Customer Reviews
I trust reviews because they show how the kit performs in real use. I look for comments about fitment, durability, power gain, and installation issues. If I see repeated complaints about the same problem, I take that as a warning sign.
8. Compare Price and Value
I don’t always choose the cheapest option. Instead, I compare the price with what I’m getting in terms of quality, included parts, and brand reputation. In my experience, a slightly more expensive kit can be a better value if it lasts longer and performs better.
9. Think About Maintenance
After installing a big bore kit, I know maintenance becomes even more important. I make sure I’m ready to check oil, monitor engine temperature, and follow proper break-in procedures. A good kit should make maintenance manageable, not complicated.
10. Buy From a Trusted Seller
I always prefer buying from a seller or brand that has a good reputation and clear return policies. That way, if I receive the wrong part or run into a defect, I have some protection. This gives me more confidence in my purchase.
Final Thoughts
From my experience, choosing a 110cc big bore kit is really about matching the kit to my engine, my riding goals, and my budget. When I take the time to check compatibility, quality, and included parts, I usually end up with a much better result.
Final Thoughts
In my view, a 110cc big bore kit is one of the most effective ways to add noticeable power and improve overall performance on a small engine. I like that it can give a bike or pit bike stronger acceleration and a more responsive ride without requiring a complete engine swap. My main takeaway is that the right kit, installed properly and matched with supporting upgrades, can make a big difference in both fun and usability.
Author Profile
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Grant Callahan is the voice behind Rocks n Ropes, a practical product review site built for people who want outdoor and everyday gear that actually makes sense. Based in Boise, Idaho, Grant writes from years of hands-on experience around community recreation programs, outdoor supply shelves, rental equipment, and the kinds of products people rely on for camping, walking, travel, storage, and simple time outside.
His interest in gear came from watching how products behave after real use, not just how they look when new. Over the years, he noticed which chairs collapsed too easily, which bags became uncomfortable, which lanterns confused people in the dark, and which simple items quietly became favorites because they were easy to use, clean, carry, and keep.
At rocksnropes.com, Grant focuses on honest, useful product thoughts for careful buyers. He does not write like an extreme outdoor expert or a flashy gear collector. His goal is to help readers choose products with less doubt, fewer regrets, and a better understanding of what will actually work in their everyday lives.
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