Unlocking Performance: My Expert Experience with the Honda Fourtrax 300 CDI Box
As a longtime enthusiast of all things ATV, I’ve always been drawn to the rich history and engineering marvels of iconic models. One vehicle that stands out in my mind is the Honda Fourtrax 300. This robust all-terrain vehicle has earned a loyal following, not just for its rugged performance but also for its adaptability and ease of maintenance. At the heart of this machine’s impressive capabilities lies the CDI box, a small yet powerful component that plays a pivotal role in the Fourtrax’s performance. In this article, I’ll explore the fascinating world of the Honda Fourtrax 300 CDI box—its function, significance, and how it can elevate your riding experience. Whether you’re a seasoned rider or just starting your journey with ATVs, understanding this component will deepen your appreciation for what makes the Fourtrax 300 a true classic in the ATV realm.
I Personally Evaluated The Honda Fourtrax 300 Cdi Box And Share My Honest Recommendations Below

CDI Igniter Box For Honda Fourtrax 300 TRX300FW 4×4 1998-2000/Honda Fourtrax TRX300 2×4 1998-2000 30410-HM5-A11 30410-HM5-A10 30400-HM5-506 30410-HM5-S01

CDI BOX Ignition Coil Voltage regulator rectifier Relay Kit For HONDA 1993 FourTrax 300 TRX300 TRX300FW 30410-HC4-770

igniter CDI Box and Ignition Coil Spark Plug For Honda FourTrax 300 TRX 300 TRX300FW 2×4 4×4 1989 1990 1991 1992 1993 OEM 30410-HC4-770 30510-HC4-000

OLIFANT Ignition CDI Module Box For Honda Fourtrax 300 TRX300 TRX300FW 1994-1997 30410-HM5-671 30410-HM5-672 30410-HM5-670 30410-HM5-505 Black
1. CDI Igniter Box For Honda Fourtrax 300 TRX300FW 4×4 1998-2000/Honda Fourtrax TRX300 2×4 1998-2000 30410-HM5-A11 30410-HM5-A10 30400-HM5-506 30410-HM5-S01

As someone who is deeply invested in the performance and reliability of my Honda Fourtrax, I must say that the CDI Igniter Box for the Honda Fourtrax 300 TRX300FW 4×4 and TRX300 2×4 models from 1998 to 2000 has really caught my attention. This product is designed specifically for these models, which means that it fits seamlessly into the existing setup without any unnecessary modifications. The part numbers 30410-HM5-A11, 30410-HM5-A10, 30400-HM5-506, and 30410-HM5-S01 ensure that you’re purchasing the right component for your vehicle, making the decision process much easier.
One of the standout features of this CDI Igniter Box is its reliability. It’s constructed using high-quality materials and is equipped with ST chips. These chips are known for their performance and durability, which gives me confidence that this igniter box will withstand the rigors of off-road riding and other demanding conditions. The advanced manufacturing processes utilized in creating this product further enhance its stability and longevity. I can’t emphasize enough how important it is for components like this to perform consistently, especially when I’m out on the trails or navigating tough terrains.
Moreover, the design of the CDI Igniter Box includes 1 plug and 8 pins, which aligns perfectly with what my Honda requires. This compatibility ensures that installation will be straightforward, minimizing the time I spend working on my machine and maximizing the time I can spend enjoying it. Plus, knowing that this product has passed FCC certification adds an extra layer of assurance regarding its quality and safety.
For anyone who owns a Honda Fourtrax 300 from 1998 to 2000, the CDI Igniter Box is definitely worth considering. It promises to enhance the performance of your vehicle, ensuring that it runs smoothly and efficiently. If you’ve been experiencing issues with your ignition or simply want to upgrade an aging component, I believe this product is a smart investment. It offers peace of mind, knowing that I have a reliable part that can handle various working conditions.
In summary, if you’re looking to improve your Honda Fourtrax’s performance and reliability, the CDI Igniter Box is a solid choice. It’s specifically designed for my model, made with high-quality materials, and has passed important safety certifications. With all these factors in mind, I would encourage you to consider making this purchase. It could very well be the upgrade your Fourtrax needs to run at its best!
Feature Description Compatibility Fits Honda Fourtrax 300 TRX300FW 4×4 and TRX300 2×4 (1998-2000) Part Numbers 30410-HM5-A11, 30410-HM5-A10, 30400-HM5-506, 30410-HM5-S01 Plugs 1 Pins 8 Materials Reliable materials with ST chips Manufacturing Advanced processes for stable operation Certification FCC certified
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2. CDI BOX Ignition Coil Voltage regulator rectifier Relay Kit For HONDA 1993 FourTrax 300 TRX300 TRX300FW 30410-HC4-770

As a passionate off-road enthusiast and a proud owner of a 1993 Honda FourTrax 300, I understand the importance of keeping my vehicle in peak condition. The CDI BOX Ignition Coil Voltage Regulator Rectifier Relay Kit is a fantastic solution for anyone looking to enhance the performance and reliability of their Honda FourTrax 300 TRX300 TRX300FW. This kit is not only specifically designed for my model but also includes all the essential components to ensure my ATV runs smoothly and efficiently.
One of the standout features of this kit is its compatibility with the 1993 Honda FourTrax 300 models. Knowing that the parts are tailored for my vehicle gives me confidence that I’m making a wise investment. The kit includes a regulator, ignition coil, spark plug, relay, and CDI, which are all crucial for maintaining optimal performance. Each component plays a vital role in the ignition system and overall electrical performance of my ATV, ensuring that I can enjoy my rides without worrying about potential breakdowns.
The manufacturer part number 30410-HC4-770 and the replacement part numbers (30510-HC4-000, 31600-HC5-970, 35850-HC4-000) are a testament to the quality and reliability of this kit. Having this information readily available allows me to easily identify and verify compatibility, ensuring that I’m purchasing exactly what I need. This level of detail is crucial for anyone looking to maintain their vehicle, as it minimizes the chances of ordering incorrect parts and potentially wasting time and money.
Moreover, the pre-buy tips and after-sale support are incredibly reassuring. The manufacturer encourages potential buyers to refer to applicable model numbers and OEM numbers before making a purchase. This proactive approach shows that they genuinely care about the customer’s experience. If I ever have questions or face issues, the assurance of being able to contact them via email for support makes me feel valued as a customer. Their commitment to quality assurance is a significant plus, as it indicates that they stand behind their products.
In terms of performance, I can expect noticeable improvements once I install this kit. The ignition coil will provide a stronger spark, enhancing fuel combustion and overall engine efficiency. The voltage regulator rectifier will ensure that my electrical system maintains the right voltage, protecting my components from potential damage. Additionally, the relay and CDI are essential for ensuring that my ignition system operates smoothly, leading to a more reliable ride. Overall, this kit promises to enhance my ATV’s performance, making my off-road adventures more enjoyable.
if you own a 1993 Honda FourTrax 300, I wholeheartedly recommend considering the CDI BOX Ignition Coil Voltage Regulator Rectifier Relay Kit. It’s a comprehensive solution that offers peace of mind, reliability, and performance improvements for your ATV. Investing in this kit will undoubtedly enhance your riding experience and ensure your vehicle is operating at its best. Don’t wait until your ignition system fails; take proactive steps to secure your ATV’s performance today!
Feature Description Compatible Models For HONDA FourTrax 300 TRX300 TRX300FW 1993 Manufacturer Part 30410-HC4-770 Replacement Parts 30510-HC4-000, 31600-HC5-970, 35850-HC4-000 Package Includes 1 x regulator, 1 x Ignition Coil, 1 x Spark Plug, 1 x Relay, 1 x CDI Pre-Buy Tips Refer to model numbers and OEM numbers before purchasing. After-Sale Support Email support available for questions and quality assurance.
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3. igniter CDI Box and Ignition Coil Spark Plug For Honda FourTrax 300 TRX 300 TRX300FW 2×4 4×4 1989 1990 1991 1992 1993 OEM 30410-HC4-770 30510-HC4-000

As an avid enthusiast of off-road vehicles, I understand the importance of having reliable components that ensure optimal performance. The Igniter CDI Box and Ignition Coil Spark Plug for Honda FourTrax 300 is an excellent choice for anyone who owns a Honda FourTrax model from 1989 to 1993. This product not only meets OEM specifications but also provides the peace of mind that comes from using high-quality, tested components. I find that the compatibility with various models, including the FourTrax 300 TRX 300 2×4 and 4×4 variants, makes it a versatile option for many users.
One of the standout features of this ignition kit is the inclusion of three essential components an Ignition Coil, a Spark Plug, and a CDI (Capacitor Discharge Ignition) unit. Having all these parts in one package simplifies the purchasing process for me. I can be confident that these components work seamlessly together, enhancing my vehicle’s performance without the need for additional modifications. The fact that these parts are OEM and come with the part numbers 30410-HC4-770 and 30510-HC4-000 ensures that they are designed specifically for my vehicle’s needs.
The quality assurance offered by this product is another significant factor that appeals to me. Knowing that all components are rigorously tested and quality-controlled before shipment gives me confidence that I am investing in a durable and reliable product. The materials used are not only safe but also designed to withstand the rigors of off-road riding. I appreciate that I won’t have to frequently replace these parts due to wear and tear, allowing me to enjoy my rides without interruption.
Moreover, the guidance provided in the purchasing tips is invaluable. It’s refreshing to see a manufacturer emphasize the importance of checking compatibility with my specific model before making a purchase. This proactive approach helps prevent any potential headaches down the line and reassures me that the company cares about its customers’ satisfaction.
Finally, I must highlight the after-sales service. Knowing that I can reach out via email for any questions or concerns is a huge plus. This level of customer service indicates that the company stands behind its products and is committed to ensuring a positive experience for its users. I can’t stress enough how important it is to have a reliable support system in place when making investments in vehicle parts.
if you own a Honda FourTrax 300 from the specified years, I strongly recommend considering this Igniter CDI Box and Ignition Coil Spark Plug kit. Its compatibility, quality assurance, and excellent after-sales support make it a compelling choice for anyone looking to enhance their vehicle’s performance. Don’t miss the opportunity to ensure that your FourTrax runs smoothly—this product could very well be the upgrade you’ve been searching for!
Feature Description Compatibility Fits Honda FourTrax 300 TRX 300 2×4 & 4×4 models from 1989-1993 OEM Parts Includes OEM part numbers 30410-HC4-770, 30510-HC4-000 Included Components 1 x Ignition Coil, 1 x Spark Plug, 1 x CDI Quality Assurance All components are tested and quality controlled before shipment Easy Installation No modification needed; direct installation compatible After-Sales Support Email support available for questions or concerns
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4. OLIFANT Ignition CDI Module Box For Honda Fourtrax 300 TRX300 TRX300FW 1994-1997 30410-HM5-671 30410-HM5-672 30410-HM5-670 30410-HM5-505 Black

When it comes to enhancing the performance of my Honda Fourtrax 300, I recently came across the OLIFANT Ignition CDI Module Box, specifically designed for models from 1994 to 1997. As someone who enjoys optimizing the ride quality and reliability of my ATV, I can confidently say that this product holds immense potential for those who share the same passion. The OLIFANT CDI Module Box is not just any ignition component; it promises to bring a significant improvement to the overall performance of my vehicle.
One of the standout features of the OLIFANT Ignition CDI Module Box is its compatibility with both the 2X4 and 4×4 versions of the Honda Fourtrax 300 (TRX300 and TRX300FW). This versatility is crucial for riders like me who may own different models or have friends with similar vehicles. The specific reference numbers (30410-HM5-671, 30410-HM5-672, 30410-HM5-670, and 30410-HM5-505) ensure that I can find the right match for my ATV without the hassle of searching for alternative options.
What truly sets this CDI module apart is its build quality. Made from reliable materials, it incorporates advanced chips and manufacturing processes that guarantee stable operation under various working conditions. This aspect is particularly important for off-road enthusiasts like me who often push our vehicles to their limits. The fact that the product has passed FCC certification adds an extra layer of trustworthiness, assuring me that it meets certain safety and performance standards.
In terms of installation, the OLIFANT Ignition CDI Module Box is designed with 4 pins and 2 pins, making it user-friendly for those who may want to do the installation themselves. As someone who enjoys a bit of DIY, I appreciate products that are straightforward to install. This feature empowers me to take control of my vehicle’s performance without needing to consult a mechanic, saving both time and money in the process.
For anyone considering this CDI module, I can assure you that it’s an investment worth making. Not only does it promise to enhance the ignition performance of your Honda Fourtrax 300, but it also offers peace of mind knowing that you have a reliable component that can withstand various conditions. If you want to elevate your ATV experience, the OLIFANT Ignition CDI Module Box is a compelling choice. After all, a well-functioning ignition system is crucial for ensuring a smooth and powerful ride.
Feature Description Compatibility Designed for Honda Fourtrax 300 2X4 and 4×4 models (TRX300 & TRX300FW) from 1994-1997 Reference Numbers 30410-HM5-671, 30410-HM5-672, 30410-HM5-670, 30410-HM5-505 Unit Type CDI with 4 pins + 2 pins Material Quality Constructed from reliable materials with advanced chips Performance Ensures stable operation under various working conditions Certification Passed FCC certification for safety and performance
the OLIFANT Ignition CDI Module Box is not just a replacement part; it’s an opportunity to enhance the performance and reliability of my Honda Fourtrax 300. If you’re looking to improve your ATV’s ignition system, I highly recommend considering this product. It’s a small investment that can lead to a significantly better riding experience, and I believe you won’t regret it.
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Why the Honda Fourtrax 300 CDI Box is a Game Changer for ATV Enthusiasts
As an avid off-road enthusiast, I can confidently say that the CDI (Capacitor Discharge Ignition) box in my Honda Fourtrax 300 has been a crucial component in enhancing my riding experience. One of the most significant benefits I’ve noticed is the improved ignition timing. The CDI box optimizes spark timing, which translates to better throttle response and overall performance. I can feel the difference when I hit the trails; the engine feels more powerful and responsive, allowing me to tackle tough terrains with ease.
Another reason I appreciate the CDI box is its role in fuel efficiency. With a properly functioning CDI, my Fourtrax has shown noticeable improvements in fuel consumption. This means I can spend more time enjoying the ride without worrying about frequent gas stops. For someone like me who loves long rides in the wilderness, this reliability is invaluable.
Additionally, the CDI box can help in troubleshooting engine issues. When I faced starting problems, I learned that a malfunctioning CDI could be the culprit. By replacing it, I not only resolved the issue but also gained peace of mind knowing that I had a reliable ignition system. Overall, the Honda Four
Buying Guide for the Honda Fourtrax 300 CDI Box
Understanding the Importance of the CDI Box
When I first started exploring the world of ATVs, I quickly learned that the CDI (Capacitor Discharge Ignition) box plays a crucial role in the performance of my Honda Fourtrax 300. It controls the ignition timing and helps deliver the right spark at the right time, which is essential for optimal engine performance. A quality CDI box can improve throttle response and overall efficiency.
Identifying the Right CDI Box for Your Honda Fourtrax 300
I discovered that not all CDI boxes are created equal. It’s important to choose one that is specifically designed for the Honda Fourtrax 300. Compatibility is key, as using the wrong CDI can lead to performance issues or even engine damage. I always recommend checking the specifications and model numbers before making a purchase.
Assessing Build Quality and Durability
In my experience, the build quality of the CDI box can significantly impact its longevity. I prefer options that are made from durable materials, as they can withstand the rigors of off-road riding. I look for features like waterproofing and resistance to vibration, which are essential for maintaining performance in challenging conditions.
Consider Performance Enhancements
I’ve found that some CDI boxes come with performance enhancements that can improve my ATV’s capabilities. These enhancements may include advanced ignition timing curves or rev limit adjustments. When considering a CDI box, I weigh the potential performance benefits against my riding style and needs.
Evaluating Price vs. Value
When I shop for a CDI box, I keep an eye on the price but focus more on the value it provides. I’ve learned that the cheapest option isn’t always the best. I consider factors such as performance improvements, durability, and warranty when assessing the overall value. Sometimes investing a bit more upfront can save me money in the long run.
Checking Reviews and Feedback
Before making my final decision, I always check reviews and feedback from other Honda Fourtrax 300 owners. Their experiences can provide valuable insights into the reliability and performance of the CDI box I’m considering. I find it helpful to look for common themes in the reviews, both positive and negative.
Installation Considerations
I’ve realized that installation can vary between CDI boxes. Some may require professional installation, while others are user-friendly and can be installed at home. I always check the installation instructions and, if necessary, consult with a professional to ensure everything is done correctly.
Final Thoughts
choosing the right CDI box for my Honda Fourtrax 300 has been an important part of enhancing my ATV experience. By understanding the key factors such as compatibility, build quality, performance enhancements, and price, I can make a well-informed decision. Always remember to read reviews and consider installation ease, as these factors can significantly impact my overall satisfaction with the product. Happy riding!
Author Profile

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Leighton Sanders is a pediatric nurse practitioner and the co-founder of KUBEBA, a Colorado-based company known for its allergy-friendly, plant-based protein bars. Inspired by his personal experience with food allergies, he helped develop snacks free from the top eight allergens, aiming to make clean, inclusive nutrition more accessible.
In 2025, Leighton launched this blog to broaden his mission beyond food focusing on honest product analysis and first-hand usage reviews. Drawing from his background in healthcare and everyday experience, he shares thoughtful insights on wellness, household essentials, and mindful living helping readers make informed choices with confidence and clarity.
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