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ECU BEJ1 — Yamaha FAZZIO 125
ECU part number BEJ1 for the Yamaha FAZZIO 125 (Fazzio Hybrid / Fazzio Hybrid Connected) 2023–2025, 125 cc, OEM ECU. Pinout and full ECU data in the BikeStudio Partner app.

ECU data
- ECU part number
- BEJ1
- Motorcycle
- Yamaha FAZZIO 125
- Other names
- Fazzio Hybrid, Fazzio Hybrid Connected
- Years
- 2023–2025
- Engine
- 125 cc
- Bore × stroke
- 52.4 x 57.9 mm
- Power
- 8.2 hp
- ECU maker
- OEM
- MCU type
- RL78_R5F10PMHCL
- Market
- Asia
Pinout and full data in the app
The ECU pinout picture, ECM ID, calibration and flash size for this ECU are in BikeStudio Partner — the free app for motorcycle workshops, which also works offline.
Get it on Google Play Download on the App Store
Other ECUs for the Yamaha FAZZIO 125
| ECU part number | Years | cc | Market |
| BRV0 | 2022–2026 | 125 | Asia |
| BRV0-1 | 2022–2026 | 125 | Asia |
| BEJ0 | 2023–2025 | 125 | Asia |
| BKF1 | 2023–2025 | 125 | Asia |