Description
A failing voltage regulator will drain your battery, kill your electrical components, and leave you stranded trackside or on the road. The WSM 004-283 is an OEM-quality replacement that restores reliable charging output without the premium price tag, keeping your Yamaha’s electrical system stable under load and at sustained RPM. Install it bolt-on and get back to riding with confidence.
- Direct Yamaha OEM replacement
- MPN: 004-283
- Bolt-on installation
- Regulates charging voltage
- OEM-equivalent construction
- Low-cost alternative to dealer parts
- Restores battery charging function
- Compatible with stock electrical system









