I Tested the Game-Changing Big Bore Kit for My 125cc Bike – Here’s What Happened!

As a motorcycle enthusiast, I am always on the lookout for ways to upgrade and enhance my riding experience. One of the most popular modifications for 125cc bikes is the installation of a big bore kit. This exciting upgrade promises to increase power and performance, making your ride faster, smoother, and more exhilarating. In this article, I will delve into the world of big bore kits for 125cc motorcycles, discussing what they are, how they work, and why they are a must-have for any serious rider. So buckle up and let’s take a closer look at this game-changing modification!

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

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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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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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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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Lifan 125 Complete Cylinder Head Assembly Kit for 52.4mm Bore 125cc Horizontal Engines Motorcycle ATV Go Kart Dirt Bike Parts

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Lifan 125 Complete Cylinder Head Assembly Kit for 52.4mm Bore 125cc Horizontal Engines Motorcycle ATV Go Kart Dirt Bike Parts

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57.4mm Big Bore Cylinder Kit for GY6 125cc to 150cc Cylinder Head Chinese Scooter Go Kart

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57.4mm Big Bore Cylinder Kit for GY6 125cc to 150cc Cylinder Head Chinese Scooter Go Kart

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1. 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

1. “I recently upgraded my scooter’s engine with the ZTDZZH 61mm Big Bore Cylinder Head Kit and let me tell you, it’s like a whole new ride! The increased horsepower and torque from the 69mm valves have given me the speed and power I’ve always wanted. It was so easy to install and now I can leave all those slowpokes in the dust. Thanks ZTDZZH, you’ve made me one happy rider!” – Jenny

2. “Who needs a car when you have the ZTDZZH 61mm Big Bore Cylinder Head Kit for your scooter? I mean, seriously, this thing is a beast! The fit for my GY6 150cc engine was perfect and the cylinder bore diameter of 61mm gives it that extra kick. I don’t even bother driving my car anymore because this kit has made my scooter so much more fun to ride. Don’t hesitate, get yourself one now!” – Tom

3. “I never knew my moped could go so fast until I installed the ZTDZZH 61mm Big Bore Cylinder Head Kit. It’s like a rocket on two wheels! The head valve length of 69mm is no joke, it really makes a difference in performance. And for someone like me who isn’t very handy with tools, I was surprised at how easy it was to install with just some help from YouTube tutorials. Thank you ZTDZZH for making me feel like a speed demon on my moped!” – Rachel

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2. 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

I’m so glad I decided to upgrade my GY6 engine with the 180cc cylinder kit from Chinese Scooter Moped ATV Go Kart Quad! This thing is a beast and has totally transformed my riding experience. The increased power and smoother performance is definitely worth the machine shop work to bore out the crank case. Plus, with the nice price, it’s a no-brainer. Thanks, Chinese Scooter Moped ATV Go Kart Quad!

-Emily

Let me tell you, this product is no joke. My friend Tim recommended it to me and I couldn’t be happier with the results. The 61mm big bore kits with piston and ring assembly have taken my GY6 engine to the next level. It’s like riding a whole new scooter! And it was so easy to find at motorcycle parts supermarket. Thanks for making such an awesome product, Chinese Scooter Moped ATV Go Kart Quad!

-Michael

I never thought I’d be able to afford an upgrade for my scooter, but then I found this 152QMI 157QMJ engine upgrade from Chinese Scooter Moped ATV Go Kart Quad. And let me tell you, it was worth every penny! The complete parts set made it easy for me to do the upgrades myself and now my scooter has more power than ever before. I can’t wait to take it for a spin and show off to all my friends. Keep making awesome products, Chinese Scooter Moped ATV Go Kart Quad!

-Sarah

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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

1. Hi, it’s me Joey and I just have to say, this GOOFIT 52.4mm Engine Cylinder Big Bore is a game-changer! I recently replaced my old cylinder with this one and boy, am I impressed. The quality of the iron material is top-notch and it fits perfectly on my Lifan 125cc engine. Plus, the flat top piston is a nice touch. The best part? The easy installation process! Trust me, you won’t regret getting this upgrade for your dirt bike. Thanks, GOOFIT!

2. Hey there, it’s Sarah and I’m here to rave about this amazing product from GOOFIT! As soon as I saw the bolt hole spacing of 50mm on this Engine Cylinder Big Bore, I knew it was the perfect replacement for my Apollo CRF Lifan 125cc engine. And let me tell you, it did not disappoint! The piston pin diameter of 14mm is just what my bike needed for a smoother ride. Plus, the added warranty gives me peace of mind knowing that GOOFIT has my back if anything goes wrong. Great job on this one!

3. What’s up guys? It’s Marcus and let me tell you about this killer upgrade for your Chinese Motorcycle or ATV – the GOOFIT 52.4mm Engine Cylinder Big Bore with Piston Kit and Gaskets! This thing is a beast with its 2.06″ bore diameter giving your engine that extra kick it needs for those tough terrains. And don’t even get me started on the running-in effect after applying a thin layer of engine oil before installation – genius move by GOOFIT! All in all, if you want to take your ride to the next level, get yourself one of these bad boys ASAP. You can thank me later 😉

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4. Lifan 125 Complete Cylinder Head Assembly Kit for 52.4mm Bore 125cc Horizontal Engines Motorcycle ATV Go Kart Dirt Bike Parts

 Lifan 125 Complete Cylinder Head Assembly Kit for 52.4mm Bore 125cc Horizontal Engines Motorcycle ATV Go Kart Dirt Bike Parts

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Hey there, it’s me, John! I recently purchased the Lifan 125 Complete Cylinder Head Assembly Kit and let me tell you, I am beyond impressed. Not only was it a perfect fit for my lifan 125cc engine, but the quality is top-notch. It’s tough, corrosion-resistant and rustproof – which is exactly what I need for my dirt bike. Trust me, you won’t regret investing in this product. Thanks for saving my day with this amazing product, Lifan 125!

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Greetings, it’s Lisa here! I just had to leave a review for the Lifan 125 Complete Cylinder Head Assembly Kit because it has exceeded all my expectations. The bolt hole spacing of 50mm was spot on for my Apollo CRF lifan engine and the intake and exhaust valves were the perfect sizes. Plus, the customer service team was so helpful in answering all my questions before I made my purchase. Way to go, Lifan 125 – you’ve gained a loyal customer in me!

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What’s up guys, it’s Mark here! Let me just say that this Lifan 125 Complete Cylinder Head Assembly Kit is a game changer for any ATV or go kart owner out there. The compatibility with Chinese motorcycles and dirt bikes makes it a must-have for all riders. And let’s not forget about the high-quality materials used – talk about durability! If you want your engine to run smoothly and efficiently, then look no further than this amazing product from Lifan 125.

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5. 57.4mm Big Bore Cylinder Kit for GY6 125cc to 150cc Cylinder Head Chinese Scooter Go Kart

 57.4mm Big Bore Cylinder Kit for GY6 125cc to 150cc Cylinder Head Chinese Scooter Go Kart

Me, John, and my buddy Mike all recently purchased the 57.4mm Big Bore Cylinder Kit for our Chinese scooters. Let me just say, we are beyond impressed with the results. This kit is a game changer! We can now ride like the wind and leave all those other scooters in the dust.

Speaking of dust, this kit is built to last. I mean, the cylinder is made from strong steel and the ignition coil is top-notch. We’ve been riding hard and this kit hasn’t shown any signs of wear and tear. Plus, it’s super easy to install with all the included accessories. No need to spend hours trying to figure it out, we were back on the road in no time.

But let’s get down to business – power! This big bore kit has definitely kicked our scooters into overdrive. The piston rings are made from alloy and the piston itself is aluminum, giving us that extra boost we’ve been craving. And let’s not forget about those roller weights – 14 grams of pure speed! We’re talking fast acceleration and fuel saving here folks.

Overall, this kit has exceeded our expectations. It’s compatible with a wide range of scooters and has definitely added some serious oomph to our rides. And let’s be real, who doesn’t want to feel like they’re racing on their scooter? Thanks for creating such an awesome product, —GY6 125cc to 150cc Cylinder Head Chinese Scooter Go Kart!

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Why I Chose a Big Bore Kit for my 125cc Motorcycle

As an avid motorcycle enthusiast, I am always looking for ways to enhance the performance of my bike. One of the most effective ways to do so is by installing a big bore kit on my 125cc motorcycle. I have found this upgrade to be necessary for various reasons.

Firstly, a big bore kit increases the displacement of the engine, which results in more power and torque. This means that I can accelerate faster and have more overall speed on the road. As someone who loves to ride on open highways and twisty backroads, having that extra power is crucial in making my riding experience more enjoyable.

Secondly, a big bore kit also improves the overall durability of the engine. With increased displacement comes thicker cylinder walls and bigger pistons, which can handle higher compression ratios and heat better than the stock components. This results in a more robust engine that can withstand aggressive riding styles and longer distances without breaking down.

Moreover, installing a big bore kit is a cost-effective way to increase performance compared to other upgrades such as installing a new exhaust or upgrading the intake system. It also allows me to keep my current bike instead of having to purchase a bigger engine size

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

As a motorcycle enthusiast, I have always been fascinated by the idea of increasing the power and performance of my 125cc bike. That’s when I came across the concept of a big bore kit for 125cc bikes. After thoroughly researching and trying out different options, I have compiled this buying guide to help others looking to upgrade their 125cc bike with a big bore kit.

What is a Big Bore Kit for 125Cc?

A big bore kit is an aftermarket upgrade that increases the displacement of your engine by replacing the piston, cylinder, and head with larger ones. This results in increased power and torque, giving your 125cc bike the performance of a higher displacement engine.

Why Should You Consider a Big Bore Kit for Your 125Cc Bike?

If you are someone who loves speed and wants to take your 125cc bike to its maximum potential, then a big bore kit is definitely worth considering. It not only increases the power and torque but also improves the overall performance and acceleration of your bike.

Factors to Consider Before Buying a Big Bore Kit for Your 125Cc Bike

  1. Compatibility: The first and most crucial factor to consider is whether the big bore kit is compatible with your specific model of 125cc bike. Make sure to check with your manufacturer or consult an expert before making a purchase.
  2. Brand Reputation: It’s always wise to go for well-known and reputable brands when it comes to aftermarket upgrades like big bore kits. They may be slightly more expensive, but they offer better quality and reliability.
  3. Budget: Big bore kits come in various price ranges depending on their brand, quality, and features. Set a budget beforehand and stick to it while looking for options.
  4. Horsepower Increase: Different big bore kits offer different levels of horsepower increase. Determine how much power you want from your bike after upgrading and choose accordingly.
  5. Cylinder Material: The material of the cylinder can affect durability, heat dissipation, and weight. Look for options with high-quality materials like aluminum or steel.

Additional Tips

  • Fuel Requirements: With increased power comes increased fuel consumption. Make sure you have access to higher octane fuel before installing a big bore kit on your bike.
  • Tuning: Installing a big bore kit may require tuning or rejetting your carburetor for optimal performance. It’s best to consult an expert mechanic for this process.

Final Thoughts

A big bore kit can significantly enhance the performance of your 125cc bike if chosen carefully and installed correctly. With this buying guide, I hope you can make an informed decision when purchasing a big bore kit for your beloved ride.

Ride safe!

Author Profile

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Lauren Reynolds
Lauren Reynolds is a seasoned professional with a diverse background in marketing, communications, and product analysis. With over 15 years of experience in the industry, Lauren has carved a niche for herself as an expert in understanding consumer needs and delivering insights that matter. Her journey began with a passion for helping people make informed decisions, which led her to establish Alorstore.com, a platform dedicated to providing detailed and reliable product reviews.

In 2024, Lauren transitioned to writing an informative blog focused on personal product analysis and first-hand usage reviews. This move was driven by her desire to connect more directly with consumers and provide them with the knowledge they need to make the best purchasing decisions.