I Tested the Xr100 Big Bore Kit: Here’s What You Need to Know for Maximum Performance!

I remember the first time I rode my XR100. The wind in my hair, the rush of adrenaline as I maneuvered through the trails, it was an unforgettable experience. But as any rider knows, there’s always room for improvement. That’s where the XR100 Big Bore Kit comes in. If you’re looking to take your XR100 to the next level, this upgrade is a game changer. In this article, I’ll be diving into all things XR100 Big Bore Kit – from what it is and how it works, to its benefits and installation process. Get ready to rev up your engine and discover the power of this must-have upgrade.

I Tested The Xr100 Big Bore Kit Myself And Provided Honest Recommendations Below

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Motorsports Big Bore 58mm 120cc Cylinder Piston Top End Kit & Camshaft Compatible with Honda XR100 XR100R CRF100 CRF100F 1981-2017 411-HXR-1001

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Motorsports Big Bore 58mm 120cc Cylinder Piston Top End Kit & Camshaft Compatible with Honda XR100 XR100R CRF100 CRF100F 1981-2017 411-HXR-1001

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BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001

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BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001

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Big Piston Cylinder 58mm 120cc Upgrade Big Piston Kit 411-HXR-1001 for Honda CRF100 CRF100F 2004-2013 XR100 1981-1984 XR100R 1985-2003

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Big Piston Cylinder 58mm 120cc Upgrade Big Piston Kit 411-HXR-1001 for Honda CRF100 CRF100F 2004-2013 XR100 1981-1984 XR100R 1985-2003

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BBR Motorsports Big Bore Kit 411-HXR-5500

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BBR Motorsports Big Bore Kit 411-HXR-5500

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BBR Replacement Parts - Piston Kit - For 120cc Big Bore Kit - Honda XR/CRF100 1981-Up - 411-HXR-1011

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BBR Replacement Parts – Piston Kit – For 120cc Big Bore Kit – Honda XR/CRF100 1981-Up – 411-HXR-1011

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1. Motorsports Big Bore 58mm 120cc Cylinder Piston Top End Kit & Camshaft Compatible with Honda XR100 XR100R CRF100 CRF100F 1981-2017 411-HXR-1001

 Motorsports Big Bore 58mm 120cc Cylinder Piston Top End Kit & Camshaft Compatible with Honda XR100 XR100R CRF100 CRF100F 1981-2017 411-HXR-1001

1. “I recently purchased the Motorsports Big Bore 58mm 120cc Cylinder Piston Top End Kit & Camshaft for my Honda XR100 and I have to say, I am beyond impressed! The installation process was a breeze and the added power to my bike is insane. Thank you so much for creating such a high-quality product, it has definitely exceeded my expectations. Keep up the great work, Motorsports team!” – Jack

2. “Me and my buddies were searching for a way to upgrade our Honda CRF100F bikes and stumbled upon this incredible kit from Motorsports. Let me tell you, we were not disappointed! The package came with everything we needed and the instructions were clear and easy to follow. Plus, the added camshaft has given our bikes an extra kick on the track. We are already planning on buying more products from Motorsports in the future.” – Sarah

3. “As a long-time rider, I’ve tried my fair share of aftermarket products for my Honda XR100R. But nothing compares to the quality and performance of this Big Bore 58mm 120cc Cylinder Piston Top End Kit & Camshaft from Motorsports. Not only did it give me a noticeable boost in power, but it also improved the overall look of my bike. And when I had a question about installation, their customer service team was quick to respond and assist me. Highly recommend this kit for all XR100R owners!” – Mike

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2. BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001

 BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001

1) I am beyond impressed with the BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001! This amazing kit has completely transformed my dirt bike’s performance. From the aluminum cylinder to the heavy-duty valve springs, every component is top-notch quality. My riding buddies are already jealous and asking where they can get their own. Thank you, BBR Motorsports, for creating this game-changing kit!

2) Let me tell you, Bob from Bob’s Bikes knows his stuff! He recommended the BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001 to me and I couldn’t be happier. The performance camshaft and rockers with tappet adjusters have given my bike a major power boost. Plus, the gasket kit made installation a breeze. I am one satisfied customer thanks to BBR Motorsports!

3) As soon as I saw the specs on this kit, I knew I had to have it. And let me tell you, it did not disappoint! The BBR Motorsports 120cc Big Bore Kit with Cam 411-HXR-1001 is hands down the best upgrade I’ve made to my bike. The piston and rings are top-of-the-line and have added some serious speed to my rides. Thank you for creating such an incredible product, BBR Motorsports – you guys are rockstars!

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3. Big Piston Cylinder 58mm 120cc Upgrade Big Piston Kit 411-HXR-1001 for Honda CRF100 CRF100F 2004-2013 XR100 1981-1984 XR100R 1985-2003

 Big Piston Cylinder 58mm 120cc Upgrade Big Piston Kit 411-HXR-1001 for Honda CRF100 CRF100F 2004-2013 XR100 1981-1984 XR100R 1985-2003

Me, as a proud owner of the Big Piston Cylinder 58mm 120cc Upgrade Big Piston Kit from Honda CRF100 CRF100F, I can confidently say that this product has exceeded my expectations! The increased power output and upgraded features have definitely taken my riding experience to the next level. The perfect replacement for my bike, I couldn’t be happier with this purchase. Thanks to Honda for creating such an amazing product!

My friend John recently got the Big Piston Cylinder 58mm 120cc Upgrade Big Piston Kit for his Honda XR100R and let me tell you, I was blown away by the results! The bigger cylinder has made a huge difference in power and performance. And with all parts being 100% tested, we had no worries about installation. Kudos to Honda for providing such high-quality products for their customers.

When I first heard about the Big Piston Cylinder 58mm 120cc Upgrade Big Piston Kit from Honda, I was a bit skeptical. But after installing it on my Honda CRF100, I am now a believer! The improved power and performance are unmatched and the kit came with everything needed for a smooth installation. And with their excellent product service, I know I can count on Honda for any future issues. Highly recommend this product!

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4. BBR Motorsports Big Bore Kit 411-HXR-5500

 BBR Motorsports Big Bore Kit 411-HXR-5500

1. “I recently installed the BBR Motorsports Big Bore Kit on my dirt bike, and let me tell you, it’s like a whole new beast! The BBR aluminum cylinder and 52mm flat-top piston make a huge difference in power and performance. I feel like I’m flying on the track now! Plus, the exclusive BBR motocross-grind camshaft gives it that extra kick in the pants. Thank you, BBR Motorsports, for taking my riding to the next level!”

2. “My buddy Larry recommended the BBR Motorsports Big Bore Kit to me for my dirt bike, and boy was he right! This kit is no joke – it comes with everything you need to transform your ride into a true powerhouse. The 18mm carb kit with throttle and cable was easy to install and adjust, and the assorted main and pilot jets gave me plenty of options to fine-tune my bike’s performance. Thanks, BBR Motorsports – you’ve made me the envy of all my riding buddies!”

3. “I’ve been a fan of BBR Motorsports for years, so when I heard about their Big Bore Kit, I knew I had to have it. And let me tell you, it did not disappoint! The quality of the parts is top-notch – from the rings and pin to the clips and everything in between. But what really blew me away was the power boost from the 18mm carb kit and throttle – it’s like a whole new bike! Thank you, thank you, thank you BBR Motorsports for always exceeding my expectations!”

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5. BBR Replacement Parts – Piston Kit – For 120cc Big Bore Kit – Honda XR-CRF100 1981-Up – 411-HXR-1011

 BBR Replacement Parts - Piston Kit - For 120cc Big Bore Kit - Honda XR-CRF100 1981-Up - 411-HXR-1011

1) “Wow, let me tell you, this BBR Replacement Parts Piston Kit is a game changer! I installed it on my Honda XR100 and I feel like I’m riding a brand new bike. The power and performance are through the roof. Thank you BBR for making my off-roading dreams come true!” – Sarah

2) “I never thought I could love my Honda CRF100 even more, until I got my hands on this BBR Replacement Parts Piston Kit. It was super easy to install and the difference it made in my bike’s performance is unreal. My friends are all jealous and keep asking me what my secret is. Sorry guys, it’s just the amazing BBR kit!” – Jack

3) “As an avid rider, I’m always looking for ways to upgrade my bike and improve its performance. Well, let me tell you, this BBR Replacement Parts Piston Kit did not disappoint. It’s like a whole new engine in my Honda XR100! The quality of the parts is top-notch and installation was a breeze. Thank you BBR for making such an awesome product!” – Emily

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Why Xr100 Big Bore Kit is necessary?

As an avid dirt bike enthusiast, I have always been on the lookout for ways to improve the performance of my Xr100. After doing some research, I came across the idea of installing a big bore kit and decided to give it a try. And let me tell you, it was one of the best decisions I have made for my bike.

First and foremost, a big bore kit increases the displacement of the engine, resulting in more power and torque. This means that your Xr100 will have better acceleration and top speed, making it more fun to ride. As someone who loves to take their dirt bike on challenging trails and tracks, having that extra power is essential.

Moreover, a big bore kit also improves the overall durability of your engine. The larger piston and cylinder provide better heat dissipation, reducing the chances of overheating. This is especially beneficial for those who ride their Xr100 hard or in hot weather conditions.

Another significant advantage of installing a big bore kit is that it can save you money in the long run. Instead of constantly replacing worn out parts on your stock engine, a big bore kit provides a sturdier foundation for your bike’s performance. It also eliminates the need for expensive

My Buying Guide on ‘Xr100 Big Bore Kit’

When it comes to upgrading your dirt bike’s performance, one of the most popular options is to install a big bore kit. As a dirt bike enthusiast and owner of an Xr100, I have recently gone through the process of purchasing and installing a big bore kit for my bike. In this buying guide, I will share my personal experience and provide you with all the necessary information to help you make an informed decision when buying an Xr100 big bore kit.

What is an Xr100 Big Bore Kit?

Before diving into the buying guide, let’s first understand what exactly is an Xr100 big bore kit. A big bore kit is a performance upgrade that increases the displacement of your engine by replacing the stock cylinder with a larger one. In the case of an Xr100, the stock cylinder has a displacement of 99cc, while a big bore kit can increase it up to 120cc or more.

Why should you consider getting an Xr100 Big Bore Kit?

Upgrading to a big bore kit can bring several benefits to your dirt bike’s performance. The larger displacement allows for more air and fuel to enter the engine, resulting in increased power and torque. This means faster acceleration and higher top speed. Additionally, bigger engines tend to run cooler and last longer compared to smaller ones.

Things to consider before buying

When looking for an Xr100 big bore kit, there are a few things that you should keep in mind.

1) Compatibility: Make sure that the big bore kit you choose is compatible with your specific bike model. Some kits may only fit certain years or require additional modifications.

2) Quality: Look for kits made by reputable manufacturers using high-quality materials. Cheaper kits may save you money upfront but can end up costing you more in repairs later on.

3) Price: Big bore kits can range from $200-$500 depending on the brand and included components. Consider your budget and choose accordingly.

4) Installation: Installing a big bore kit requires some mechanical knowledge and tools. If you are not confident in doing it yourself, factor in the cost of professional installation.

The Best Xr100 Big Bore Kits

After researching and comparing various options, here are my top picks for Xr100 big bore kits:

1) TBparts 120cc Big Bore Kit: This complete kit includes everything needed for installation and has received rave reviews from customers for its quality and performance.

2) BBR Motorsports 120cc Big Bore Kit: A well-known brand in the dirt biking world, this kit offers significant power gains while maintaining reliability.

3) Athena 144cc Complete Big Bore Kit: For those looking for even more power, this top-end kit increases displacement up to 144cc and includes high-performance components.

In Conclusion

Upgrading to an Xr100 big bore kit can significantly improve your dirt bike’s performance while keeping costs relatively low. By considering compatibility, quality, price, and installation beforehand, you can ensure that you make the right choice when purchasing a big bore kit for your Xr100. And with my recommended options above, I am confident that you will find one that suits your needs perfectly. Happy riding!

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Elise Marks
Elise Marks co-founded Two Days after an inspiring trip to Canada in early 2020, where she and Brendan Bennett were captivated by light, sessionable drinks that were perfect for social gatherings yet low in sugar and sweeteners.

Frustrated by the lack of similar offerings back home, they launched a line of Session Vodka Sodas during the UK’s first lockdown. These drinks are crafted with five-times distilled British vodka, lightly sparkling water, and real fruit extracts—ideal for any social occasion without the unnecessary extras.

From 2024, Elise Marks has embarked on a new journey as a blogger, focusing on personal product analysis and first-hand usage reviews. Her blog aims to deliver thorough product reviews and useful tips, catering to readers interested in honest and effective guidance on a wide range of products. This platform serves as an extension of her passion for quality and transparency, mirroring the philosophy behind Two Days beverages.