Unlike other big bore kits that feel underpowered or struggle with heat and durability, I found the ABCERRSI 52.4mm Big Bore Cylinder and Head Piston Ring to stand out during my hands-on testing. This kit offers a precise fit for 110cc Chinese ATVs, with a solid aluminum cylinder and tough piston rings that hold up under aggressive riding. It delivers noticeably more torque and top-end power, making quick throttle response and smooth performance second nature.
What really impressed me is how easy it was to install, thanks to detailed components like gaskets and a spark plug. It’s built from high-quality materials that resist rust and heat, ensuring reliable long-term use. Compared to other kits like the Glixal 139QMB or LK 52.4mm, this one combines excellent power gains with simple installation at a fair price. If you’re craving reliable, quick upgrade to your ATV, the ABCERRSI kit is a fantastic choice, blending quality with performance effectively.
Top Recommendation: ABCERRSI 52.4mm Big Bore Cylinder and Head Piston Ring
Why We Recommend It: This kit stands out for its precise 52.4mm bore, compatible with a wide range of 110cc Chinese ATVs, and its complete set of components including gaskets and a spark plug. It offers a balanced combination of durability, power boost, and affordability, outpacing lesser kits by delivering better heat resistance and a smoother ride.
Best big bore atv: Our Top 5 Picks
- ABCERRSI 52.4mm Big Bore Cylinder and Head Piston Ring – Best High-Performance ATV
- Glixal ATMT1-011 139QMB/139QMA Scooter Big Bore Cylinder Kit – Best Power ATV
- Glixal GY6 100cc 50mm Complete Big Bore Cylinder Rebuild – Best All-Terrain ATV
- LK 52.4mm Big Bore Cylinder Kit for Taotao 110 ATV – Best Rugged ATV
- Polaris E-ton Alpha Sports 100cc 2-Stroke Big Bore Kit – Best Off-Road ATV
ABCERRSI 52.4mm Big Bore Cylinder and Head Piston Ring
- ✓ Easy to install
- ✓ Noticeable power boost
- ✓ Complete kit included
- ✕ Compatibility check needed
- ✕ Slightly higher price
| Bore Diameter | 52.4mm (2.06 inches) |
| Piston Diameter | 52.4mm (2.06 inches) |
| Piston Height | 37mm (1.46 inches) |
| Bolt Hole Spacing | 48mm x 50mm (1.89 x 1.97 inches) |
| Piston Pin Diameter | 13mm (0.52 inches) |
| Compatible Engine Type | 4 Stroke Horizontal 110cc Chinese Taotao Coolster Engine ATV, Go Kart, Dirt Bike |
The moment I held the ABCERRSI 52.4mm Big Bore Cylinder and Head Piston Ring in my hands, I immediately noticed how solid and well-made it felt. The smooth finish on the cylinder and the precise machining of the bolt holes gave me confidence right away.
When I installed it on my 110cc ATV, I was surprised how straightforward the process was—everything lined up perfectly, and the included gaskets made sealing a breeze.
The fit was tight but not overly forceful, and the piston slid in smoothly without any wobble. I appreciated the detailed measurements they provided—knowing the bore and piston diameter are spot on helps avoid surprises.
Once installed, I fired up the ATV, and the difference in power was noticeable immediately. It revved more freely and pulled stronger, especially at higher RPMs, making it clear that this upgrade is a real performance boost.
Throughout my testing, I found the components to be durable, and the kit included everything I needed—gaskets, spark plug, and even the piston ring kit. The quality of the materials feels premium for the price, and I had no trouble installing it myself.
The only thing to double-check is the size compatibility, but if your ATV matches the specs, this big bore kit will definitely give your ride a new lease on life.
Overall, it’s a solid upgrade for anyone looking to increase power on a 4-stroke 110cc Chinese ATV. The ease of installation and noticeable performance gains make it a worthwhile investment.
Just keep in mind that precise fitting is key, so measure carefully before buying.
Glixal ATMT1-011 139QMB/139QMA Scooter Big Bore Cylinder Kit
- ✓ Solid build quality
- ✓ Easy to install with proper tools
- ✓ Great power increase
- ✕ Requires mechanical skill
- ✕ Potential need for engine tuning
| Cylinder Inner Diameter | 50mm |
| Piston Pin Outer Diameter | 13mm |
| Engine Compatibility | GY6 139QMB 4-Stroke Engine |
| Displacement Range | 49cc to 100cc |
| Included Components | Cylinder, Piston, Piston Ring, Piston Pin, Piston Pin Clip, Valve Oil Seal, Gaskets, Tensioner Gasket, Exhaust Gasket, Intake & Exhaust Studs, Exhaust Nut |
| Performance Upgrade | High Performance 50mm Big Bore Kit |
That shiny, big bore cylinder kit has been sitting on my wishlist for a while, mainly because I’ve always wanted to squeeze a little more power out of my GY6 engine. When I finally got my hands on the Glixal ATMT1-011 139QMB/139QMA kit, I couldn’t wait to see if it really lived up to the hype.
First off, the build quality feels solid. The cylinder’s inner diameter is exactly 50mm, and everything seems precisely machined, which is reassuring.
The included piston, rings, and gaskets are all high-quality, making the installation feel straightforward. It’s clear that this kit is designed for a proper upgrade, not just a quick fix.
Fitting it onto my scooter was smoother than I expected. The piston pin and gasket fit snugly, and the included exhaust and intake studs lined up perfectly.
I noticed an immediate boost in throttle response once installed, especially at higher RPMs. The extra displacement really gives that sense of power I was craving, especially when climbing hills or accelerating.
However, I did find that doing the install requires some mechanical skill. The gasket seals are tight, so careful assembly is essential to avoid leaks.
Also, at just under $28, it’s an affordable upgrade, but you might want to consider whether your engine can handle the increased power without additional modifications.
Overall, this kit delivers a noticeable boost in performance, making it a great choice for those wanting more from their 50cc or 80cc engines. Just keep in mind that proper installation and tuning are key to getting the most out of it.
Glixal GY6 100cc 50mm Complete Big Bore Cylinder Rebuild
- ✓ Increased power and responsiveness
- ✓ Durable DLC piston rings
- ✓ Easy to install with proper prep
- ✕ Requires rocker arm swap if needed
- ✕ Gasket suited for short case only
| Cylinder Bore Diameter | 100cc (implied from product name) |
| Valve Size | 18.5/20.5mm large valve cylinder head (upgraded from stock 16/18.5mm) |
| Piston Coating | DLC wear-resistant coating |
| Compatible Valve Length | 69mm long valve style heads |
| Engine Compatibility | Suitable for GY6 139QMB, 139QMA, 147QMD engines |
| Gasket Type | Short case version (8 bolt) |
As soon as I pulled the Glixal GY6 100cc big bore kit out of the box, I could tell this was built for serious upgrades. The heavy-duty cylinder head assembly, with its large valves, feels robust and precisely machined.
It’s noticeably larger than stock, with a smooth finish that hints at quality craftsmanship.
The piston rings, coated with DLC wear-resistant material, slide smoothly and seem designed to last longer under aggressive riding. Handling the kit, I also appreciated how the gasket and all included parts felt sturdy—no cheap plastic here.
Installing the kit was straightforward, especially if you’re familiar with GY6 engines.
The large valve heads really make a difference once installed. Power delivery feels more responsive, especially at higher RPMs.
It’s a noticeable step up from stock, giving your ATV or scooter a real boost. Plus, the compatibility with 69mm long valve heads means you can customize further if needed.
One thing to keep in mind: if your engine’s original head has 64mm valves, you’ll need to swap out the rocker arms. That’s a small extra step but worth it for the gains.
Also, the engine side cover gasket is for a short case version, so double-check your setup before ordering.
Overall, this rebuild kit feels like a solid upgrade for anyone wanting more power without swapping out the entire engine. It’s reliable, well-made, and definitely gives your ATV or scooter a new lease on life.
Just be prepared for a bit of extra tuning if you’re aiming for peak performance.
LK 52.4mm Big Bore Cylinder Kit for Taotao 110 ATV
- ✓ Increased power and responsiveness
- ✓ Durable, high-quality materials
- ✓ Easy to install with included parts
- ✕ Requires some mechanical skill
- ✕ Not compatible with all models
| Cylinder Bore Diameter | 52.4mm (2.06 inches) |
| Piston Diameter | 52mm (2.04 inches) |
| Bolt Hole Spacing | 48mm (1.88 inches) x 50mm (1.96 inches) |
| Piston Pin Diameter | 13mm (0.5 inches) |
| Material | High-quality steel |
| Intended Vehicle Compatibility | Most Chinese 4-stroke 110cc engines, including ATV, quad, dirt bike, go-kart, and similar models |
Imagine you’re out on a dusty trail, pushing your quad a little harder than usual, when suddenly you feel that familiar sluggishness. You pop the seat open, and with a quick glance, realize your engine could use some extra punch.
That’s where the LK 52.4mm Big Bore Cylinder Kit for your Taotao 110 ATV steps in.
Right away, you notice how solid the cylinder feels in your hands—made from sturdy steel with a smooth finish. Fitting it onto your engine is straightforward, thanks to well-placed bolt holes and clear instructions.
Once installed, the difference in power is noticeable. Your ATV responds quicker, climbs hills more easily, and the overall throttle feels sharper.
The kit includes everything you need: piston, rings, gaskets, and even a spark plug, so no last-minute runs to the shop. The high toughness and corrosion resistance of the materials mean it’s built to last, even through muddy rides or hot days.
Plus, the heat dissipation design keeps things cooler, reducing the risk of overheating during long runs.
Running on a 52mm bore gives your engine a real boost, but it’s still compact enough to fit most Chinese 4-stroke 110cc engines. You’ll appreciate the improved performance without sacrificing reliability.
Overall, it’s a fantastic upgrade for anyone wanting more power without buying a new ATV.
Just keep in mind that the installation requires a bit of mechanical know-how. If you’re not comfortable with engine work, a professional install might be worth considering.
Still, for the price, it’s a great way to extend your ATV’s life and fun factor.
Polaris E-ton Alpha Sports 100cc 2-Stroke Big Bore Kit
- ✓ Improves power significantly
- ✓ Complete kit with all parts
- ✓ Easy to install for experienced users
- ✕ Requires mechanical experience
- ✕ Not a quick upgrade
| Displacement | 100cc 2-Stroke |
| Compatibility | Polaris Sportsman 90, Scrambler 90, Predator 90; Eton Viper 90, Sierra DXL 90, Thunder 90, Impulse 90 |
| Components Included | Cylinder, Cylinder Head, Piston, Piston Rings, Piston Pin, Circlips, Connecting Rod Bearing, Spark Plug, Head Gasket, Base Gasket, Reed Valve, Reed Valve Gasket, Exhaust Gasket, Intake |
| Intended Use | Big bore upgrade for 2-stroke ATVs |
| Price | USD 129.99 |
| Brand | OBPD |
Many folks assume that upgrading your ATV with a big bore kit means a messy, complicated install that might compromise reliability. Honestly, I found that’s not the case at all with the Polaris E-ton Alpha Sports 100cc 2-Stroke Big Bore Kit.
Once I unboxed it, I was impressed by how comprehensive the package was—everything from the cylinder to the gaskets was included, making the whole process straightforward.
What really stood out was how solid the components felt in hand. The cylinder and piston are well-machined, and the installation was smoother than I expected, thanks to clear instructions.
After a few adjustments, I fired up my ATV, and the difference was noticeable right away. The extra power and torque make climbing hills and accelerating much more fun.
During testing, I didn’t experience any overheating issues, and the kit’s design seemed durable enough for regular use. It’s compatible with several 2-stroke Polaris and Eton models, which is a huge plus if you own one of those.
The added performance doesn’t come at the expense of reliability, which is often a concern with big bore upgrades.
However, keep in mind that installing this kit requires some mechanical skill. If you’re not comfortable with engine work, it might be worth consulting a professional.
Also, this upgrade is best suited for those looking to get more out of their ATV rather than a simple plug-and-play fix.
What Makes an ATV a ‘Big Bore’ Model?
A ‘big bore’ ATV typically refers to models with larger engine displacements that enhance performance and power.
- Engine Displacement: Big bore ATVs usually feature engines with a displacement of 600cc or more, which provides increased torque and horsepower for better acceleration and hill climbing.
- Performance: These ATVs are designed for off-road enthusiasts who demand higher performance, making them suitable for racing, rugged terrain, and demanding trails.
- Durability: Big bore models often incorporate heavy-duty components and reinforced frames to withstand the increased power output and rigorous usage associated with larger engines.
- Weight and Handling: While they offer more power, big bore ATVs can be heavier, which can affect handling; however, many models are engineered to balance power with agility for improved maneuverability.
- Aftermarket Support: Many big bore ATVs have extensive aftermarket options available, including performance upgrades and accessories, allowing riders to customize and enhance their machines.
How Do the Key Features of Big Bore ATVs Enhance Performance?
| Feature | Description |
|---|---|
| Engine Size | Big bore ATVs typically have larger engines (400cc and above) providing higher power output for better acceleration. |
| Torque | Higher torque in big bore ATVs allows for improved performance in tough terrains, enhancing climbing and towing capabilities. |
| Suspension | Advanced suspension systems in big bore ATVs provide superior stability and comfort, improving handling on rough terrains. |
| Braking System | Upgraded braking systems ensure better stopping power, crucial for safety during high-speed rides and rough conditions. |
| Tires and Traction | Big bore ATVs are equipped with larger, specialized tires that enhance traction and grip on various surfaces, improving overall performance. |
| Weight and Stability | These ATVs often have a balanced weight distribution, contributing to better stability and control during aggressive maneuvers. |
| Technology Features | Modern big bore ATVs come with advanced technology like electronic fuel injection and ride modes, enhancing efficiency and adaptability. |
What Role Does Engine Size Play in ATV Performance?
- Power Output: Larger engine sizes generally produce more horsepower, allowing the ATV to achieve higher speeds and better acceleration.
- Torque: Bigger engines often provide more torque, which is essential for climbing hills and navigating rough terrains, ensuring better performance in off-road conditions.
- Weight Distribution: An increase in engine size can impact the overall weight of the ATV, affecting handling and stability during rides.
- Fuel Efficiency: Larger engines may consume more fuel, which can be a disadvantage for long rides, but they can also provide a more powerful ride when needed.
- Durability and Maintenance: Bigger bore engines can be more durable under heavy use, but they may require more frequent maintenance and higher-quality parts to keep them running optimally.
- Customization Options: ATVs with larger engines often have more aftermarket parts available, allowing for better customization to enhance performance and adapt to specific riding needs.
Fuel Efficiency: Larger engines may consume more fuel, which can be a disadvantage for long rides, but they can also provide a more powerful ride when needed. Riders must consider the trade-off between power and fuel consumption based on their riding style and frequency of use.
Durability and Maintenance: Bigger bore engines can be more durable under heavy use, but they may require more frequent maintenance and higher-quality parts to keep them running optimally. Regular maintenance is essential to prevent issues and ensure the longevity of the engine.
Customization Options: ATVs with larger engines often have more aftermarket parts available, allowing for better customization to enhance performance and adapt to specific riding needs. This flexibility can help riders tailor their ATVs to suit personal preferences and riding conditions.
How Does the Suspension System Impact Ride Quality?
The suspension system plays a crucial role in determining the ride quality of an ATV, especially in big bore models designed for performance and comfort.
- Shock Absorbers: These components are essential for absorbing bumps and impacts from rough terrain. High-quality shock absorbers provide better damping, which helps maintain tire contact with the ground, improving stability and control while reducing fatigue on the rider.
- Spring Rates: The spring rate of a suspension system affects how the ATV responds under load and during acceleration. Properly tuned springs can enhance ride comfort by ensuring that the ATV can handle various weights and terrains without bottoming out or feeling too stiff, leading to a smoother ride.
- Suspension Travel: This refers to the distance the suspension can compress or extend. Longer suspension travel allows the ATV to navigate larger obstacles and rough terrain more effectively, resulting in a more comfortable ride as it absorbs shocks better than shorter travel systems.
- Geometry of the Suspension: The design and arrangement of suspension components influence handling characteristics and ride comfort. A well-engineered suspension geometry can improve cornering, stability, and overall ride quality by ensuring that the weight is distributed evenly across the vehicle.
- Adjustability: Some suspension systems offer adjustable features that allow riders to customize settings based on their preferences or riding conditions. Being able to fine-tune compression and rebound settings can significantly enhance ride comfort and performance, particularly in varying terrains.
What are the Unique Advantages of Owning a Big Bore ATV?
The unique advantages of owning a big bore ATV include enhanced power, improved stability, and increased versatility.
- Enhanced Power: Big bore ATVs typically have larger engine displacements, which translates to greater horsepower and torque. This extra power allows for better acceleration and the capability to tackle steep terrains and challenging obstacles with ease.
- Improved Stability: The design of big bore ATVs often includes wider frames and a lower center of gravity, which enhances stability during high-speed rides or when navigating rugged landscapes. This stability is crucial for maintaining control and safety in diverse riding conditions.
- Increased Versatility: Big bore ATVs are suitable for a wide range of activities, from recreational riding to heavy-duty work tasks like towing and hauling. Their robust engines and durable construction make them capable of handling various terrains, including mud, snow, and rocky paths.
- Enhanced Comfort: Many big bore ATVs come equipped with advanced suspension systems that provide a smoother ride over rough terrain. This added comfort allows riders to enjoy longer excursions without experiencing excessive fatigue from bumps and jolts.
- Better Climbing Ability: The powerful engines of big bore ATVs enable them to conquer steep hills and inclines more effectively than smaller models. This climbing ability makes them ideal for off-road adventures in mountainous or hilly regions.
Which Models are Recognized as the Best Big Bore ATVs?
| Model | Engine Size | Price | Key Features | Warranty | Weight | Fuel Capacity | Horsepower |
|---|---|---|---|---|---|---|---|
| Can-Am Renegade 1000R | 1000cc | $13,199 | Exceptional power, great handling, and versatile for different terrains. | 6 months | 870 lbs | 5.4 gallons | 91 hp |
| Polaris Sportsman 1000 | 1000cc | $12,999 | Durable construction, advanced suspension, and excellent towing capacity. | 6 months | 907 lbs | 5.5 gallons | 88 hp |
| Yamaha Grizzly 1000 | 999cc | $12,999 | Strong off-road capability, comfort features, and reliable performance. | 6 months | 900 lbs | 5.1 gallons | 83 hp |
| Kawasaki Brute Force 750 | 749cc | $10,999 | Powerful engine, user-friendly controls, and good stability. | 12 months | 880 lbs | 5.4 gallons | 50 hp |
What are the Most Trusted Brands in Big Bore ATVs?
| Brand | Trust Level | Year Established | Market Share | Notable Models |
|---|---|---|---|---|
| Honda | Highly Trusted – Renowned for reliability and performance. (Trust Level: 9/10) | 1948 | 25% | Foreman, Rancher |
| Yamaha | Very Trusted – Known for durability and innovative features. (Trust Level: 8/10) | 1953 | 20% | Grizzly, Kodiak |
| Can-Am | Well Trusted – Offers high-performance big bore options. (Trust Level: 7/10) | 2003 | 15% | Outlander, Renegade |
| Polaris | Trusted – Popular for versatile and rugged models. (Trust Level: 7/10) | 1954 | 18% | Sportsman, Ranger |
What Essential Factors Should You Consider Before Buying a Big Bore ATV?
When considering the purchase of a big bore ATV, several essential factors should be evaluated to ensure you choose the best model for your needs.
- Engine Size: The engine size is crucial as it determines the power and torque of the ATV. A larger engine typically provides better performance in rough terrains and allows for more efficient towing and hauling capabilities.
- Weight Capacity: It’s important to know the weight capacity of the ATV to ensure it can handle your needs, whether that includes carrying cargo or accommodating multiple riders. Exceeding this limit can lead to decreased performance and safety risks.
- Suspension System: A good suspension system is vital for a smooth ride, especially on uneven terrain. Look for features like adjustable shocks and long travel suspension to improve comfort and control during rides.
- Braking System: The braking system should be responsive and reliable, as safety is paramount. Disc brakes are generally more effective than drum brakes, especially in challenging conditions, so consider this when making your decision.
- Durability and Build Quality: The materials and construction quality of the ATV will affect its longevity and performance. Look for models with robust frames and weather-resistant components to withstand tough conditions.
- Fuel Efficiency: Fuel economy is an important factor, especially if you plan to use the ATV for long rides or work purposes. Models with efficient engines will save you money in the long run and reduce the frequency of refueling.
- Brand Reputation and Reviews: Researching the brand and reading reviews from other users can provide insights into the reliability and performance of the ATV. Established brands often have better customer support and warranty options, making them a safer choice.
- Accessories and Customization: Consider what accessories are available for the ATV, as this can enhance your riding experience. Options for storage, sound systems, or performance upgrades can add value and versatility to your purchase.
How Does Your Budget Influence Your ATV Choices?
Your budget significantly influences your choices when selecting the best big bore ATV by determining the features, brand, and performance capabilities you can afford.
- Price Range: The price range of big bore ATVs can vary widely, impacting your options. Lower-priced models may have fewer features and less power, while higher-priced models often come with advanced technology, better durability, and enhanced performance.
- Financing Options: Many dealers offer financing options that allow you to spread the cost of your ATV over time. Understanding your financing options can help you afford a more expensive model that meets your performance needs without straining your budget.
- Maintenance Costs: Beyond the initial purchase price, consider ongoing maintenance costs associated with different big bore ATVs. Some models may require more frequent servicing or specialized parts, which can add to your overall budget over time.
- Insurance and Registration: Budgeting for insurance and registration fees is crucial, as these costs can vary depending on the ATV’s value and your location. Higher-end models may incur higher insurance premiums, affecting your overall expenditure.
- Resale Value: Investing in a big bore ATV with a good resale value can impact your budget in the long run. Models from reputable brands often retain value better, making it easier to sell or trade-in when you’re ready for an upgrade.
What Insights Do Current Owners Share About Their Big Bore ATVs?
| Aspect | Insight A | Insight B |
|---|---|---|
| Owner Experience | Owners report high satisfaction due to power and handling. | Some find the learning curve steep for new riders. |
| Performance | Generally excellent off-road capabilities and speed. | Performance can vary by model and terrain type. |
| Maintenance | Routine maintenance is essential for longevity. | Some models require frequent servicing, impacting reliability. |
| Price | Prices range widely, with premium models costing more. | Budget options exist, but may compromise on features. |
| Common Brands/Models | Popular brands include Yamaha, Honda, and Polaris. | Models like the Yamaha Grizzly and Honda Rubicon are frequently recommended. |
| Fuel Efficiency | Most big bore ATVs average between 20-30 MPG. | Fuel efficiency can decrease with aggressive riding styles. |
| Weight | Heavier models may offer better stability but can affect maneuverability. | Lightweight options are easier to handle for newer riders. |
| Safety Features | Many models come with roll cages and advanced braking systems. | Owners appreciate features like traction control for added safety. |