
The Story
This CDI box is a direct OEM replacement for specific Yamaha ATV models, offering reliable ignition performance and compatibility with original systems. It is manufactured to meet or exceed OEM quality standards and tested for functionality prior to sale. Electrical components are non-returnable.
Features
- Meets or exceeds OEM quality
- Direct OEM replacement
- Factory tested for 100% reliability
- Designed to handle increased power loads
- Electrical parts are non-returnable
- Please check the image before ordering to avoid mistakes
Cross-Reference OEM Part Numbers
- 1YW-85540-20-00
- 20-5412
Vehicle Fitments
- Yamaha YFM350ERT/ERU Moto-4 (1987ā1988)
- Yamaha YFM350FWT/FWU Big Bear (1987ā1988)

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
This CDI box is a direct OEM replacement for specific Yamaha ATV models, offering reliable ignition performance and compatibility with original systems. It is manufactured to meet or exceed OEM quality standards and tested for functionality prior to sale. Electrical components are non-returnable.
Features
- Meets or exceeds OEM quality
- Direct OEM replacement
- Factory tested for 100% reliability
- Designed to handle increased power loads
- Electrical parts are non-returnable
- Please check the image before ordering to avoid mistakes
Cross-Reference OEM Part Numbers
- 1YW-85540-20-00
- 20-5412
Vehicle Fitments
- Yamaha YFM350ERT/ERU Moto-4 (1987ā1988)
- Yamaha YFM350FWT/FWU Big Bear (1987ā1988)























