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 (1987–1988)


• Yamaha YFM350FWT/FWU Big Bear (1987–1988)