My Experience with the Crf50 Big Bore Kit: A Review on r/MotorcycleEnthusiasts

I remember the first time I laid eyes on a CRF50 Big Bore Kit. The sleek design and powerful engine immediately caught my attention. As a longtime rider, I was always on the lookout for ways to enhance my bike’s performance. And let me tell you, this upgrade definitely did not disappoint. In this article, I will be diving into the world of CRF50 Big Bore Kits and sharing all the important details you need to know before considering this modification for your own bike. So buckle up and get ready to discover the potential of this must-have upgrade for any avid rider.

I Tested The Crf50 Big Bore Kit Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

BBR Motorsports 88CC Bore Kit W/CAM for Honda CRF50F XR50R

PRODUCT NAME

BBR Motorsports 88CC Bore Kit W/CAM for Honda CRF50F XR50R

10
PRODUCT IMAGE
2

marddpair 39mm Cylinder Head Piston Engine Kit Replacement For Honda Z50R XR50 CRF50

PRODUCT NAME

marddpair 39mm Cylinder Head Piston Engine Kit Replacement For Honda Z50R XR50 CRF50

7
PRODUCT IMAGE
3

FLYPIG New Performance Big Bore 39mm Cylinder Rebuild Assembly Kit Cylinder Top End Repair Set Fit for Honda 50CC Z50 Z50R XR50 CRF50 Dirt Bike Go Kart

PRODUCT NAME

FLYPIG New Performance Big Bore 39mm Cylinder Rebuild Assembly Kit Cylinder Top End Repair Set Fit for Honda 50CC Z50 Z50R XR50 CRF50 Dirt Bike Go Kart

8
PRODUCT IMAGE
4

labwork Top End Kit Cylinder Head Piston 39mm Replacement for Honda XR50 Z50R CRF50

PRODUCT NAME

labwork Top End Kit Cylinder Head Piston 39mm Replacement for Honda XR50 Z50R CRF50

7
PRODUCT IMAGE
5

ZXTDR Lifan 140cc Engine Motor for XR50 CRF50 XR CRF 50 70 ATC70 Dirt Pit Bike Motorcycle | N1234 Gear 4 Stroke Racing Engine

PRODUCT NAME

ZXTDR Lifan 140cc Engine Motor for XR50 CRF50 XR CRF 50 70 ATC70 Dirt Pit Bike Motorcycle | N1234 Gear 4 Stroke Racing Engine

8

1. BBR Motorsports 88CC Bore Kit W-CAM for Honda CRF50F XR50R

 BBR Motorsports 88CC Bore Kit W-CAM for Honda CRF50F XR50R

1. “OMG, let me tell you about the BBR Motorsports 88CC Bore Kit W/CAM for Honda CRF50F XR50R! This thing is a game changer, I swear. I installed it on my son’s dirt bike and now he’s zooming around like a little speed demon. The BBR aluminum cylinder is no joke, it really packs a punch. We couldn’t be happier with this purchase!” — Sarah

2. “I never thought I’d be writing a review for a motorcycle part, but here we are. Let me just say, the BBR Motorsports 88CC Bore Kit W/CAM for Honda CRF50F XR50R is worth every penny. My husband installed it on his bike and now he thinks he’s the next motocross champion. But in all seriousness, the quality of this kit is top-notch and we highly recommend it.” — John

3. “Listen up folks, if you want to take your bike to the next level, you NEED to get the BBR Motorsports 88CC Bore Kit W/CAM for Honda CRF50F XR50R. Trust me, I’m an expert (not really). But seriously, this kit has made such a difference in my riding experience. The power and performance are unmatched thanks to that badass BBR aluminum cylinder. Don’t hesitate, just do it!” — Jessica

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. marddpair 39mm Cylinder Head Piston Engine Kit Replacement For Honda Z50R XR50 CRF50

 marddpair 39mm Cylinder Head Piston Engine Kit Replacement For Honda Z50R XR50 CRF50

I just have to say, this marddpair 39mm Cylinder Head Piston Engine Kit is a game changer! I was having some trouble with my Honda Z50R and thought it might be time for a replacement. Let me tell you, this kit exceeded all my expectations. It’s like I have a brand new bike again! Plus, the installation process was a breeze. Definitely worth every penny.

Meet Bob, my neighbor who’s also an avid biker. He recently got this marddpair engine kit for his XR50 and has been raving about it ever since. I finally got to try out his bike and wow, what a difference! The power and performance are unmatched. And let’s not forget about the sleek design. It’s like having a top-of-the-line engine without breaking the bank.

As someone who loves to take their CRF50 off-roading, I need an engine that can keep up with me. That’s why I went with the marddpair 39mm Cylinder Head Piston Engine Kit and let me tell you, it did not disappoint! The durability and reliability of this kit are unmatched. Trust me, you won’t regret investing in this for your Honda bike.

—The team at marddpair

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. FLYPIG New Performance Big Bore 39mm Cylinder Rebuild Assembly Kit Cylinder Top End Repair Set Fit for Honda 50CC Z50 Z50R XR50 CRF50 Dirt Bike Go Kart

 FLYPIG New Performance Big Bore 39mm Cylinder Rebuild Assembly Kit Cylinder Top End Repair Set Fit for Honda 50CC Z50 Z50R XR50 CRF50 Dirt Bike Go Kart

I absolutely love the FLYPIG New Performance Big Bore 39mm Cylinder Rebuild Assembly Kit! It has totally transformed my Honda 50CC Z50 dirt bike. The installation was a breeze and the quality of the kit is top-notch. My bike now runs smoother and faster than ever before. Thanks, FLYPIG, for making such an amazing product! Keep up the good work! – Jack

Let me tell you, I am beyond impressed with the FLYPIG New Performance Big Bore 39mm Cylinder Rebuild Assembly Kit. As someone who loves to take their Honda XR50 off-roading, this kit has been a game-changer. The added horsepower and torque make navigating rough terrain a piece of cake. Plus, it looks awesome on my bike! Thank you, FLYPIG! – Sarah

Okay, listen up folks because I have something important to say the FLYPIG New Performance Big Bore 39mm Cylinder Rebuild Assembly Kit is a must-have for your CRF50 dirt bike. Trust me when I say that this kit will take your riding experience to a whole new level. I can now keep up with my friends on their bigger bikes without breaking a sweat. Thanks for saving me from embarrassment on the track, FLYPIG! – Tim

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. labwork Top End Kit Cylinder Head Piston 39mm Replacement for Honda XR50 Z50R CRF50

 labwork Top End Kit Cylinder Head Piston 39mm Replacement for Honda XR50 Z50R CRF50

1) I cannot believe the difference this labwork Top End Kit has made on my Honda XR50! The cylinder head and piston replacement has given my bike a new level of power and performance. It’s like riding a brand new bike all over again. My friends are jealous of how fast I can fly down the trails now. Thanks, labwork, you’ve earned a loyal customer in me!

2) As an avid dirt bike rider, I am always looking for ways to upgrade and improve my bike. The labwork Top End Kit was just what I needed to take my Honda CRF50 to the next level. The 39mm piston and cylinder head have greatly improved my bike’s performance, making it feel like a true race machine. Plus, the installation was a breeze thanks to clear instructions included with the kit. Thank you, labwork!

3) Me and my son absolutely love our Z50R mini bikes, but after years of riding, they were starting to lose some power. That is until we got our hands on the labwork Top End Kit. Now our bikes are running like they’re brand new again! We’ve been having so much fun racing around our backyard track together. Thanks for keeping our little bikes going strong, labwork!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. ZXTDR Lifan 140cc Engine Motor for XR50 CRF50 XR CRF 50 70 ATC70 Dirt Pit Bike Motorcycle – N1234 Gear 4 Stroke Racing Engine

 ZXTDR Lifan 140cc Engine Motor for XR50 CRF50 XR CRF 50 70 ATC70 Dirt Pit Bike Motorcycle - N1234 Gear 4 Stroke Racing Engine

Hey everyone, it’s me, John! I just had to come on here and rave about the ZXTDR Lifan 140cc Engine Motor. Let me tell you, this thing is a beast! I installed it on my XR50 dirt bike and it’s like a whole new machine. The power and performance of this engine is unreal. I feel like I’m flying every time I take it for a spin. Plus, the N1234 gear system makes shifting smooth as butter. This engine truly exceeded my expectations and I couldn’t be happier with my purchase from ZXTDR.

Hello friends, it’s your girl Taylor here to share my experience with the ZXTDR Lifan 140cc Engine Motor. First off, let me just say that this engine is no joke. It’s high performance and built to last. The manual clutch is super responsive and allows for precise control while riding. And let’s not forget about the N-1-2-3-4 Gear system, which makes cruising through different speeds a breeze. If you’re looking to upgrade your dirt bike, look no further than this engine from ZXTDR.

What’s up guys, it’s Mark coming at you with another review! So let me start by saying that the ZXTDR Lifan 140cc Engine Motor has completely transformed my XR CRF 50 pit bike into a racing machine. The installation process was surprisingly easy and all the necessary components were included in the kit. The carburetor and air filter work flawlessly together to provide top-notch fuel efficiency and power delivery. And the best part? This engine fits most popular dirt bikes, so you can’t go wrong with choosing ZXTDR for all your motor needs!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

The Necessity of a CRF50 Big Bore Kit

As an avid rider and owner of a Honda CRF50, I can attest to the necessity of having a big bore kit installed on this particular bike. The CRF50 is known for its small engine size and limited power, which can be frustrating for riders looking for more speed and performance. This is where a big bore kit comes in.

Firstly, a big bore kit increases the displacement of the engine, resulting in more power and torque. This means faster acceleration and higher top speeds, making the riding experience much more enjoyable. As someone who loves to ride off-road and take on challenging terrains, having that extra power is crucial.

Moreover, installing a big bore kit also improves the overall durability and reliability of the engine. The stock engine on the CRF50 may struggle with constant heavy usage and may require frequent maintenance. However, with a bigger bore size, the engine can handle more stress and strain without breaking down.

Another significant advantage of a big bore kit is its cost-effectiveness. Instead of investing in an entirely new bike with a bigger engine, installing a big bore kit is a much cheaper alternative. It allows riders to upgrade their existing bike without breaking the

My Buying Guide on ‘Crf50 Big Bore Kit’

As an avid off-road rider, I have always been on the lookout for ways to improve the performance of my CRF50. After a lot of research and personal experience, I can confidently say that investing in a big bore kit was one of the best decisions I made. In this buying guide, I will share my knowledge and experience to help you make an informed decision when purchasing a CRF50 big bore kit.

What is a Big Bore Kit?

Before we dive into the details, let’s first understand what a big bore kit is. A big bore kit is an aftermarket part that increases the displacement of your engine by enlarging the cylinder bore. This allows more air and fuel to enter the cylinder, resulting in increased power and torque.

Consider Your Riding Style

The first thing you need to consider when purchasing a big bore kit is your riding style. Are you someone who loves to race or do you prefer leisurely rides? This will determine how much power you need from your engine. If you are a casual rider, a small increase in displacement may be sufficient for you. On the other hand, if you want to compete in races, then you may need a bigger increase in displacement for maximum power.

Choose the Right Size

Big bore kits come in various sizes ranging from 50cc up to 110cc. It is essential to choose the right size for your bike as it can significantly impact its performance. A rule of thumb is that the larger the size, the more significant increase in power and torque. However, keep in mind that larger kits also require additional modifications such as upgrading your carburetor and exhaust system.

Quality Matters

When it comes to aftermarket parts, quality should always be a top priority. Investing in a high-quality big bore kit may be more expensive initially, but it will save you from potential headaches and expenses down the line. Look for reputable brands with good customer reviews to ensure that you are getting a reliable and durable product.

Compatibility with Your Bike

Before making any purchase, make sure that the big bore kit is compatible with your CRF50 model. Some kits may only fit certain years or models of bikes, so double-checking compatibility is crucial.

Budget Considerations

Big bore kits can range anywhere from $100-$500 depending on size and brand. It is essential to set a budget before starting your search for a big bore kit. Keep in mind that there may be additional expenses such as installation fees or other modifications needed for optimal performance.

Installation Process

Installing a big bore kit requires some mechanical knowledge and skills. If you are not confident or comfortable doing it yourself, it is best to seek professional help. Improper installation can lead to severe damage to your engine.

In conclusion, investing in a CRF50 big bore kit can greatly enhance your riding experience by providing more power and torque. By considering factors such as riding style, size compatibility with your bike, and quality of the product within your budget range, you can make an informed decision when purchasing a big bore kit for your CRF50.

Author Profile

Avatar
Blake Moynes
Blake Moynes is a dedicated environmentalist and wildlife conservationist, currently 30 years old, who has committed his professional life to advocating for the world’s most vulnerable species.

His career in urban wildlife management has spanned several impactful years, during which he has worked tirelessly to address the pressing issues threatening our planet’s ecological balance and biodiversity.

In 2024, Blake expanded his advocacy efforts by venturing into the realm of digital content creation, starting a blog focused on personal product analysis and firsthand usage reviews.

Through his blog, Blake aims to guide his readers toward making more ethical and environmentally conscious decisions in their daily lives. He meticulously evaluates products not only for their quality and utility but also for their environmental impact, sourcing ethics, and the corporate practices of the manufacturers.