CDI Box Yamaha Big Bear YFM350FW Moto 4 YFM350ER (1990–1994)

CDI Box Yamaha Big Bear YFM350FW Moto 4 YFM350ER (1990–1994)

Includes:
- 1 x CDI Box

Fits Models:
- Yamaha Big Bear YFM350FW
- Yamaha Big Bear YFM350ER

Model Years:
1990-1994

Submodels:
YFM350FW, YFM350ER

Engine Options:
347cc-350cc 4-stroke

Description:
OEM-replacement CDI box designed to restore proper timing and ignition signals for the Yamaha Big Bear 350 (1990–1994). Improves starting, throttle response, and overall engine performance while preserving original electrical characteristics.

Features:
- Fits Yamaha Big Bear YFM350FW & YFM350ER (1990-1994)
- Restores ignition timing and spark control
- Durable construction for vintage ATV reliability
- Compatible with stock wiring harness and CDI-related components

Keywords: yamaha, big bear, yfm350fw, yfm350er, cdi box, 1990-1994, atv parts, ignition module, replacement part