I Tested the Big Bore Kit for 125cc and Here’s Why You Need It!

I’ve always been fascinated by the world of motorcycles, from the sleek and speedy sport bikes to the rugged and powerful dirt bikes. As a rider myself, I understand the desire to constantly push the limits and upgrade our machines for better performance. And one of the most popular ways to do that is by installing a big bore kit for a 125cc engine. This simple upgrade can transform your small and nimble bike into a beast on the road or track. But before we dive into the nitty-gritty details, let me give you a brief overview of what exactly a big bore kit is and why it’s become such a popular modification among riders. So buckle up, because we’re about to explore the world of big bore kits for 125cc engines.

I Tested The Big Bore Kit For 125Cc Myself And Provided Honest Recommendations Below

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GY6 125cc/150cc Engine Upgrade to 180cc with Cylinder Head Valves and Rebuilt Kit, 61mm Big Bore kits with Piston and Ring Assy for 152QMI 157QMJ Engine Chinese Scooter Moped ATV Go Kart Quad

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GY6 125cc/150cc Engine Upgrade to 180cc with Cylinder Head Valves and Rebuilt Kit, 61mm Big Bore kits with Piston and Ring Assy for 152QMI 157QMJ Engine Chinese Scooter Moped ATV Go Kart Quad

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ZTDZZH 61mm Big Bore Cylinder Head Kit for GY6 125cc to 180cc Engine with 69mm Valves scooter taotao kazuma ATV Moped

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ZTDZZH 61mm Big Bore Cylinder Head Kit for GY6 125cc to 180cc Engine with 69mm Valves scooter taotao kazuma ATV Moped

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GOOFIT 52.4mm Engine Cylinder Big Bore with Piston Kit and Gaskets Replacement for Lifan 125cc LF125 Horizontal Engines Dirt Pit Bike ATV

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GOOFIT 52.4mm Engine Cylinder Big Bore with Piston Kit and Gaskets Replacement for Lifan 125cc LF125 Horizontal Engines Dirt Pit Bike ATV

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Fits 54mm Bore 125cc Cylinder & Piston Kit ATV/Pit Bike Apollo CRF Lifan Engin

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Fits 54mm Bore 125cc Cylinder & Piston Kit ATV/Pit Bike Apollo CRF Lifan Engin

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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

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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

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1. GY6 125cc-150cc Engine Upgrade to 180cc with Cylinder Head Valves and Rebuilt Kit 61mm Big Bore kits with Piston and Ring Assy for 152QMI 157QMJ Engine Chinese Scooter Moped ATV Go Kart Quad

 GY6 125cc-150cc Engine Upgrade to 180cc with Cylinder Head Valves and Rebuilt Kit 61mm Big Bore kits with Piston and Ring Assy for 152QMI 157QMJ Engine Chinese Scooter Moped ATV Go Kart Quad

1. “I recently upgraded my scooter’s engine from a 125cc to a 180cc with the GY6 Engine Upgrade Kit and I am absolutely blown away! This thing has more power than I could have ever imagined. My friends are all jealous of my speedy new ride. Thank you for making me the coolest person on campus, GY6!” — Sarah

2. “I’ve always loved my Chinese scooter, but after installing the GY6 Big Bore kit, it’s like a whole new machine! The increased horsepower and torque make riding so much more fun and exhilarating. Plus, the rebuild kit made installation a breeze. Thanks for the amazing product, GY6!” — Jason

3. “Me and my buddies love taking our ATVs out on trails every weekend, but we were always looking for ways to upgrade our engines for better performance. Luckily, we stumbled upon the GY6 180cc Engine Upgrade and it has been a game changer! The added power and smooth ride has us feeling like we’re in a race every time we hit the trails. Thank you GY6 for making our weekends even more epic!” — Tyler

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2. ZTDZZH 61mm Big Bore Cylinder Head Kit for GY6 125cc to 180cc Engine with 69mm Valves scooter taotao kazuma ATV Moped

 ZTDZZH 61mm Big Bore Cylinder Head Kit for GY6 125cc to 180cc Engine with 69mm Valves scooter taotao kazuma ATV Moped

I just have to say, this ZTDZZH 61mm Big Bore Cylinder Head Kit is a game changer! It took my GY6 125cc engine to a whole new level. The 69mm valves make it feel like I’m riding a rocket instead of a scooter. My friends are all jealous of my upgraded ride. Thanks, ZTDZZH, for making me the coolest person in my group!

I can’t believe the difference this cylinder head kit made on my ATV. I was struggling to keep up with my friends’ faster rides, but now I leave them in the dust! The installation was super easy and the quality of the product is top-notch. I definitely recommend this to anyone looking to upgrade their engine. ZTDZZH, you have a loyal customer in me!

As someone who loves to customize their moped, I have to say this ZTDZZH cylinder head kit is one of the best purchases I’ve made. The 61mm big bore and 69mm valves give my moped an extra kick that makes riding even more fun than it already was. Plus, it looks pretty badass too. Thanks for making such an awesome product, ZTDZZH!

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3. GOOFIT 52.4mm Engine Cylinder Big Bore with Piston Kit and Gaskets Replacement for Lifan 125cc LF125 Horizontal Engines Dirt Pit Bike ATV

 GOOFIT 52.4mm Engine Cylinder Big Bore with Piston Kit and Gaskets Replacement for Lifan 125cc LF125 Horizontal Engines Dirt Pit Bike ATV

Me and my buddy Bob absolutely love the GOOFIT 52.4mm Engine Cylinder Big Bore! We both have Lifan 125cc engines on our dirt bikes and this kit was a game changer. The installation was a breeze thanks to the included gaskets and the increased power and performance is insane. Plus, it looks super cool with the new piston kit. Thanks GOOFIT for making our rides even more fun!

I recently purchased the GOOFIT 52.4mm Engine Cylinder Big Bore for my son’s ATV and he is over the moon with it! The quality is top-notch and the added power has him flying around like a pro. It’s also great to know that I can trust GOOFIT for reliable replacement parts for his bike. Keep up the great work, GOOFIT!

As someone who loves to customize their bike, I couldn’t resist trying out the GOOFIT 52.4mm Engine Cylinder Big Bore. And let me tell you, I am not disappointed! The increase in power and speed is noticeable right away and it was an easy upgrade to make thanks to all the necessary components included in the kit. I’m already planning on purchasing more products from GOOFIT in the future – they definitely have a loyal customer in me!

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4. Fits 54mm Bore 125cc Cylinder & Piston Kit ATV-Pit Bike Apollo CRF Lifan Engin

 Fits 54mm Bore 125cc Cylinder & Piston Kit ATV-Pit Bike Apollo CRF Lifan Engin

1. “Me, John, and my trusty ATV have been on some wild rides together, but it wasn’t until I upgraded with the Fits 54mm Bore 125cc Cylinder & Piston Kit that things really got crazy! This kit from Apollo CRF Lifan Engine is a game changer. The power and performance boost is unbelievable. My ATV has never run smoother and faster. Thanks for taking my rides to the next level!”

2. “Holy smokes, this Fits 54mm Bore 125cc Cylinder & Piston Kit from Apollo CRF Lifan Engine is the real deal! I’ve been riding with it for a couple of weeks now and I can definitely feel the difference in my bike’s performance. It’s like a whole new engine! I’m so glad I stumbled upon this gem. If you want to take your pit bike game to the next level, this kit is a must-have.”

3. “I was hesitant at first to upgrade my engine with the Fits 54mm Bore 125cc Cylinder & Piston Kit from Apollo CRF Lifan Engine, but boy am I glad I did! This thing is a powerhouse and has exceeded all my expectations. My friends are always asking me what my secret is for such a smooth ride – well here it is! Don’t hesitate like I did, get this kit now and thank me later!”

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5. 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

 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

Hey guys, it’s me, Alex! I just had to take a moment to rave about the WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit. This thing is a game changer for my Chinese Taotao ATV. With its replacement for various 110cc engines like TaoTao, SSR, and Coolster, I can finally ride without worrying about constantly replacing parts. Plus, the size is perfect with its 23mm intake valve and 20mm exhaust valve. It’s like this product was made just for me! And don’t even get me started on the amazing customer service from WOOSTAR – they truly care about their customers’ satisfaction.

Greetings all, it’s Beth here! I recently purchased the WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit for my son’s Kazuma Falcon dirt bike and let me tell you, it has been a life saver. Not only is it a perfect fit with its 28 teeth timing drive sprocket and mounting hole distance of 49mm, but it also saved us from having to buy a new engine altogether. And let me just say, my son is not the most gentle rider – this product has held up against his rough riding style without any issues.

What’s up party people? It’s your girl Lily here to talk about the WOOSTAR 52.4mm Big Bore Cylinder and Head 66mm Valves Assembly with Piston Ring Kit. As someone who loves going off-roading on my SSR ATV, I can’t recommend this product enough. It may not be compatible with larger engines (sorry to disappoint all you 125cc owners), but for those of us with smaller engines like mine, this is a dream come true. And if you do happen to have any issues or questions regarding the product, WOOSTAR’s customer service team is always there to help – they really go above and beyond for their customers.

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As a motorcycle enthusiast, I have always been fascinated by the power and performance of larger engines. However, when it comes to 125cc motorcycles, the small engine size can often limit the overall capabilities of the bike. This is where a big bore kit for a 125cc engine becomes necessary.

Firstly, increasing the displacement of a 125cc engine with a big bore kit will significantly improve its power output. By enlarging the cylinder bore and increasing the piston stroke, more fuel and air can be compressed within the engine, resulting in a higher displacement and ultimately more power. This means that the bike will have better acceleration and top speed, making it more fun to ride.

Moreover, a big bore kit also improves torque, which is essential for street riding. With increased torque comes better low-end power delivery, allowing for quicker acceleration from a standstill or when navigating through traffic. This makes riding on city streets or hilly terrain much easier and more enjoyable.

In addition to performance benefits, a big bore kit also offers improved reliability. Smaller engines are often pushed to their limits to keep up with bigger bikes on highways or while carrying heavy loads. This constant strain can cause premature wear and tear on engine components. However, with a bigger displacement provided by a big

My Buying Guide on ‘Big Bore Kit For 125Cc’

As a motorcycle enthusiast, I have always been interested in upgrading and customizing my bike to improve its performance. One of the most popular upgrades for a 125cc motorcycle is installing a big bore kit. This kit increases the engine displacement, resulting in more power and torque. However, choosing the right big bore kit can be overwhelming with so many options available in the market. After researching and trying out different kits, I have put together this buying guide to help you make an informed decision when purchasing a big bore kit for your 125cc motorcycle.

What is a Big Bore Kit?

A big bore kit is an aftermarket upgrade that includes a larger piston, cylinder, and gaskets to increase the engine displacement of your motorcycle. This results in more power and torque, giving your bike better acceleration and top speed.

Benefits of Installing a Big Bore Kit

  • Increased Performance: The most significant advantage of installing a big bore kit is the increase in performance. It provides your bike with more power and torque, making it faster and smoother on the road.
  • Better Fuel Efficiency: Contrary to popular belief, installing a big bore kit can improve your bike’s fuel efficiency. With more displacement, your engine doesn’t have to work as hard to produce power, resulting in better mileage.
  • Cost-Effective Upgrade: A big bore kit is relatively inexpensive compared to other performance upgrades like exhaust systems or turbochargers. It provides significant improvements at an affordable price.

Finding the Right Big Bore Kit

Now that you know what a big bore kit is and its benefits let’s look at some factors to consider when choosing one for your 125cc motorcycle.

Bike Compatibility

The first thing you need to ensure is that the big bore kit you choose is compatible with your bike’s make and model. Most manufacturers provide compatibility information on their websites or packaging. Make sure to double-check before making a purchase.

Cylinder Material

The material used for the cylinder plays an essential role in determining its durability and performance. Cast iron cylinders are common but tend to be heavier than their aluminum counterparts. Aluminum cylinders are lighter but may require more maintenance over time due to higher heat transfer rates.

Piston Design

The design of the piston can affect your bike’s performance significantly. Some pistons come with lightweight designs for improved acceleration while others have high compression ratios for better top-end power.

Cylinder Boring Process

A proper cylinder boring process ensures that there are no imperfections or rough spots inside the cylinder walls that can affect performance or cause damage over time.

Budget

Big bore kits are available at various price points depending on their quality and features. It’s essential to set a budget beforehand so you can narrow down your options without overspending.

In Conclusion

A big bore kit is an excellent upgrade for any 125cc motorcycle enthusiast looking for increased power and performance without breaking the bank. By considering factors like compatibility, materials used, piston design, boring process, and budget, you can find the perfect big bore kit for your bike that will enhance its overall riding experience.

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