Description:

Ignition CDI Box - 1YW-85540-20-00, CDI box fit for 1987 1988 Yamaha Big Bear YFM350FW 4x4, fit for 1987 1988 Yamaha Moto 4 YFM350ER. Function - This atv cdi box specially design for Yamaha Big Bear 350 YFM350FW 4x4 Moto 4 YFM350ER, provide a more aggressive timing curve to improve throttle response speed, increase the speed limiter, and increase the ignition energy intensity for easy starting and smooth driving. Material - This ignition cdi box made of high-performance chip materials, it is corrosion resistance, stable performance, strong resistance to interference and environmental adaptation, it can perfectly replace the original damaged product.. Installation - Plug-and-play design and included dielectric connector grease for quick and easy installation.