fits model: Yfm80, Yfm100, Yfm. make: Yamaha. year: 1980–1988.

( Manufacturer Part Number: 55X-85540-M2-00 ), ( Part Type: Ignition Spark Box ), ( Fits: Atv )
The YFM80 YFM 86 80, Yamaha 55x-85540-M2-00, 55x 87 CDI Ignition Spark Box, designed specifically for YFM100 and YFM85 models, is an essential tool for any Yamaha ATV or Side-by-Side owner. This ignition spark box is a reliable solution to common ignition issues, ensuring your engine continues to run smoothly and efficiently.
Crafted with high-quality materials, this spark box boasts a durable design that can withstand the rigors of off-road use. It's compact and lightweight, making it easy to carry and store in your vehicle or toolbox. The ignition box is designed to fit directly in place of the original ignition coil, making installation straightforward and hassle-free.
The YFM80 YFM 86 80 CDI Ignition Spark Box from Yamaha is compatible with various models, including the YFM100 and YFM85. It uses a CDI (Capacitor Discharge Ignition) system, which provides a consistent and reliable spark, ensuring optimal engine performance. The spark box is also equipped with an adjustable timing feature, allowing you to fine-tune the ignition timing to best suit your specific engine conditions.
The YFM80 YFM 86 80 CDI Ignition Spark Box is an excellent investment for any Yamaha ATV or Side-by-Side enthusiast. It's a dependable solution for common ignition issues, ensuring your vehicle continues to run smoothly and reliably, even in the most challenging off-road conditions. With its durable construction, easy installation, and adjustable timing feature, this ignition box is a must-have tool for any Yamaha ATV or Side-by-Side owner.
Product: Yamaha YFM80/YFM86/YFM100 CDI Ignition Spark Box (55X-85540-M2-00/55X 87)
Pros:1. Improved reliability: The CDI ignition system provides a more reliable spark, reducing the chances of engine misfires and improving overall performance.
2. Ease of installation: The plug-and-play design makes installation easy, requiring no modifications to the existing ignition system.
3. Cost-effective: The CDI ignition spark box is a cost-effective solution for improving the performance of older Yamaha ATVs and snowmobiles.
4. Durable construction: The spark box is made of high-quality materials, ensuring long-lasting performance.
5. Wide compatibility: The ignition box is compatible with a wide range of Yamaha models, including the YFM80, YFM86, and YFM100.
Cons:1. Limited performance gain: While the CDI ignition system improves reliability and performance, the gain may be minimal for some users.
2. Potential compatibility issues: Although the ignition box is compatible with a wide range of Yamaha models, there may be specific models or years where compatibility is not guaranteed.
3. Requires battery power: The spark box requires battery power to function, which may drain the battery if the vehicle is left idle for extended periods.
4. May not be covered under warranty: If the spark box causes any issues with the vehicle, it may not be covered under the original manufacturer's warranty.
Conclusion:The Yamaha YFM80/YFM86/YFM100 CDI Ignition Spark Box is a cost-effective and reliable solution for improving the performance of older Yamaha ATVs and snowmobiles. While the gain in performance may be minimal for some users, the improved reliability and ease of installation make it a worthwhile investment for many. However, potential compatibility issues and the requirement for battery power are important considerations to keep in mind before making a purchase.
Recommendation:If you own an older Yamaha ATV or snowmobile and are looking to improve its performance and reliability, the Yamaha YFM80/YFM86/YFM100 CDI Ignition Spark Box is a solid choice. However, it is recommended to thoroughly research compatibility with your specific model and year before making a purchase to ensure a smooth installation process.
This is a nice tested used cdi box off of a 1987 Yamaha YFM100 champ. This will fit Yamaha YFM80 YFM100. This comes with mounting screws.