Description:

Fitment: Replacement for Yamaha Moto 4 YFM350ER 1987-1988, Replacement for Yamaha Big Bear 350 YFM350FW 4x4 1987-1988. Replacement Part Number: 1YW-85540-20-00. Include: 1 x CDI Box. Feature: This CDI box can adjust spark advance angle automatically according to engine speed, making fuel fully burning and starting the engine more quickly.