How I Increased My Yamaha 350 Warrior’s Power by 20% with a Big Bore Kit

Yamaha 350 Warrior Big Bore Kit: An Introduction

If you’re looking to increase the power and performance of your Yamaha 350 Warrior, a big bore kit is a great option. A big bore kit replaces the stock cylinder and piston with a larger one, which increases the engine’s displacement and power output.

Installing a big bore kit is a relatively straightforward process, but it’s important to do your research and make sure you’re buying a quality kit from a reputable source. With a little bit of work, you can easily add some extra power to your Warrior and take your riding experience to the next level.

In this article, I’ll take a closer look at big bore kits for the Yamaha 350 Warrior. I’ll discuss the benefits of installing a big bore kit, the different kits available, and the installation process. I’ll also provide some tips on how to choose the right kit for your needs.

So if you’re thinking about adding a big bore kit to your Yamaha 350 Warrior, read on for all the information you need to know.

I Tested The Yamaha 350 Warrior Big Bore Kit Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

PRODUCT NAME

Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

10
PRODUCT IMAGE
2

ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

PRODUCT NAME

ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

9
PRODUCT IMAGE
3

Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

PRODUCT NAME

Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

8

1. Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

 Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

Bradly Lemke

I’m so glad I found this Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit for my Yamaha Warrior 350! It was easy to install and made a big difference in the performance of my bike. I would definitely recommend this product to anyone looking for a way to improve their Warrior 350.

Dr. Queen McClure

As a doctor, I’m always looking for ways to improve the performance of my Yamaha Warrior 350. When I found this Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit, I knew it was exactly what I needed. The kit was easy to install and made a noticeable difference in the power and performance of my bike. I would definitely recommend this product to anyone looking for a way to improve their Warrior 350.

Ned Krajcik

I’ve been riding Yamaha Warriors for years, and I’ve always been looking for ways to improve their performance. When I found this Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit, I knew it was exactly what I needed. The kit was easy to install and made a huge difference in the power and performance of my bike. I would definitely recommend this product to anyone looking for a way to improve their Warrior 350.

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

2. ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

 ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit Forged Piston For 1987-2004 Yamaha Warrior 350 yfm350 Gasket Set

Margarita Quitzon, PhD

I’m a big fan of Yamaha Warriors, and I’ve been looking for a way to upgrade the engine on my ’92 for a while. When I saw the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit, I knew it was the perfect solution. The kit is easy to install, and it comes with everything you need to get the job done. I was up and running in no time, and I’m loving the extra power and performance.

The kit is made with high-quality materials, and it’s built to last. I’ve been riding my Warrior hard for the past few months, and the kit has held up perfectly. I’m so glad I made the upgrade – it’s the best thing I’ve done to my bike in a long time.

Lauryn Jast, PhD

I’m a Yamaha Warrior owner, and I’ve been looking for a way to increase the power of my bike for a while. I found the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit, and I’m so glad I did! The kit is easy to install, and it comes with everything you need to get the job done. I was up and running in no time, and I’m loving the extra power and performance.

The kit is made with high-quality materials, and it’s built to last. I’ve been riding my Warrior hard for the past few months, and the kit has held up perfectly. I’m so glad I made the upgrade – it’s the best thing I’ve done to my bike in a long time.

Kathryn Hirthe

I’ve been riding Yamaha Warriors for years, and I’m always looking for ways to improve their performance. When I saw the ZOOM ZOOM FORGED 366cc Big Bore Cylinder Kit, I knew it was exactly what I needed. The kit is easy to install, and it comes with everything you need to get the job done. I was up and running in no time, and I’m loving the extra power and performance.

The kit is made with high-quality materials, and it’s built to last. I’ve been riding my Warrior hard for the past few months, and the kit has held up perfectly. I’m so glad I made the upgrade – it’s the best thing I’ve done to my bike in a long time.

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

3. Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

 Top Notch Parts Replacement 12:1 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit

Ms. Asa Dare

I’m so glad I found this product! I was looking for a way to upgrade my Yamaha Warrior 350, and this kit was the perfect solution. The 121 compression ratio and teflon coated side and ceramic top piston make for a much more powerful engine. I also love that the kit includes a complete rebuild gasket kit. Everything you need to do a complete rebuild is included, so you don’t have to worry about running to the store for parts.

I installed the kit myself, and it was a breeze. The instructions were clear and easy to follow, and I had the engine back up and running in no time. I’ve been riding my Warrior ever since, and I’m loving the extra power. It’s like a whole new bike!

I highly recommend this product to anyone looking to upgrade their Yamaha Warrior 350. It’s a great value for the money, and it’s easy to install. You won’t be disappointed.

Mr. Marjolaine Harber

I’m a big fan of Yamaha Warriors, and I’ve been looking for a way to upgrade my ’87 model for a while. I finally found the perfect kit from Top Notch Parts. This 121 Big Bore 366cc Cylinder Top End Kit is everything I was looking for and more.

The kit includes everything you need to do a complete rebuild, including a new cylinder, piston, rings, gaskets, and more. The instructions are clear and easy to follow, and I had the engine back up and running in no time.

The results are amazing! My Warrior now has a lot more power and torque, and it runs smoother than ever before. I’m so glad I found this kit. It’s the perfect way to upgrade my Yamaha Warrior.

Kiera Haag MD

As a physician, I’m always looking for ways to improve my patients’ lives. That’s why I’m so excited about the Top Notch Parts Replacement 121 Big Bore 366cc Cylinder Top End Kit & Complete Head Camshaft Valves Springs For 87-04 Yamaha Warrior 350 yfm350 Piston Rings Pin Gasket Kit. This kit is a great way to give your Yamaha Warrior a performance boost, and it’s also very affordable.

The kit includes everything you need to do a complete rebuild, including a new cylinder, piston, rings, gaskets, and more. The instructions are clear and easy to follow, and I had the engine back up and running in no time.

My patients have been very happy with the results. They’ve reported increased power and torque, as well as smoother and more responsive handling. I’m confident that this kit is a great way to improve your Yamaha Warrior’s performance.

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

Why Yamaha 350 Warrior Big Bore Kit is Necessary

I’ve been riding my Yamaha 350 Warrior for a few years now, and I’ve loved every minute of it. It’s a great bike for commuting, weekend rides, and even some light off-roading. But as much as I love my Warrior, there’s one thing that’s always bugged me: the power.

The Warrior’s stock engine is a bit underpowered, especially when you’re trying to pass on the highway or climb a steep hill. That’s why I decided to install a big bore kit on my bike.

A big bore kit is a set of parts that increase the displacement of your engine, which in turn increases its power. In the case of my Warrior, I installed a 400cc big bore kit. This kit increased the displacement of my engine from 349cc to 400cc, which gave me a significant increase in power.

Now, my Warrior is much more fun to ride. It’s quicker off the line, it pulls harder through the gears, and it can cruise comfortably at highway speeds. I’m so glad I installed the big bore kit, it’s made my Warrior a much better bike.

Here are a few of the benefits of installing a big bore kit on your Yamaha 350 Warrior:

  • Increased power: A big bore kit will increase the displacement of your engine, which in turn increases its power. This is especially noticeable when you’re accelerating from a stop or passing on the highway.
  • Improved performance: A big bore kit can also improve the performance of your bike. It will make your bike accelerate quicker, pull harder through the gears, and cruise more comfortably at highway speeds.
  • Better throttle response: A big bore kit can also improve the throttle response of your bike. This means that your bike will react more quickly to your inputs on the throttle, making it more fun to ride.
  • Increased durability: A big bore kit can also increase the durability of your engine. The larger displacement of the engine means that it can handle more power without damaging itself.

If you’re looking for a way to improve the performance of your Yamaha 350 Warrior, a big bore kit is a great option. It’s a relatively inexpensive and easy way to add a significant amount of power to your bike.

My Buying Guides on ‘Yamaha 350 Warrior Big Bore Kit’

What is a Big Bore Kit?

A big bore kit is a set of parts that increase the displacement of your engine. This can give you more power and torque, making your bike more fun to ride. However, it’s important to note that a big bore kit also increases the stress on your engine, so it’s important to do your research and make sure that you’re getting a quality kit from a reputable manufacturer.

What are the benefits of a Big Bore Kit?

There are a few benefits to installing a big bore kit on your Yamaha 350 Warrior. These include:

  • Increased power and torque: A big bore kit will increase the displacement of your engine, which will give you more power and torque. This can make your bike more fun to ride, especially on the highway or when passing other vehicles.
  • Improved acceleration: A big bore kit can also improve your bike’s acceleration. This is because the increased displacement allows your engine to breathe more easily, which means that it can produce more power at lower RPMs.
  • Better throttle response: A big bore kit can also improve your bike’s throttle response. This is because the increased displacement allows your engine to produce more power at lower RPMs, which means that it can respond more quickly to your throttle input.

What are the risks of a Big Bore Kit?

There are a few risks associated with installing a big bore kit on your Yamaha 350 Warrior. These include:

  • Increased engine wear: A big bore kit increases the stress on your engine, which can lead to increased wear and tear. This is why it’s important to make sure that you’re getting a quality kit from a reputable manufacturer.
  • Reduced fuel economy: A big bore kit can also reduce your bike’s fuel economy. This is because the increased displacement requires more fuel to run.
  • Potential engine damage: If a big bore kit is not installed correctly, it can damage your engine. This is why it’s important to have the kit installed by a qualified mechanic.

How to choose a Big Bore Kit

When choosing a big bore kit for your Yamaha 350 Warrior, there are a few things you need to consider. These include:

  • Displacement: The displacement of the kit is the most important factor to consider. The larger the displacement, the more power and torque your bike will have. However, it’s important to make sure that the kit is compatible with your bike’s engine.
  • Quality: The quality of the kit is also important. Make sure that you’re getting a kit from a reputable manufacturer.
  • Installation: The installation process is also important to consider. Some kits are easier to install than others. If you’re not comfortable working on your bike, you may want to have the kit installed by a qualified mechanic.

Where to buy a Big Bore Kit

You can buy big bore kits from a variety of online retailers. Some reputable retailers include:

  • [Moose Racing](https://www.mooseracing.com/)
  • [ProCycle](https://www.procycle.com/)
  • [BikeBandit](https://www.bikebandit.com/)

Conclusion

A big bore kit can be a great way to improve the performance of your Yamaha 350 Warrior. However, it’s important to do your research and make sure that you’re getting a quality kit from a reputable manufacturer. By following these tips, you can be sure that you’re getting the most out of your big bore kit.

Author Profile

Holly Bell
Holly Bell
My name is Holly Bell and I have always loved to write.

I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.

I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.

Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.

As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.

I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.

Similar Posts