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ECU 54P-03 — Yamaha Mio J
ECU part number 54P-03 (code 54P1) for the Yamaha Mio J (Mio J FI / Mio J Teen) 2015–2018, 110 cc, OEM ECU. Pinout and full ECU data in the BikeStudio Partner app.

ECU data
- ECU part number
- 54P-03
- ECU code
- 54P1
- Motorcycle
- Yamaha Mio J
- Other names
- Mio J FI, Mio J Teen
- Years
- 2015–2018
- Engine
- 110 cc
- Bore × stroke
- 50.0 x 57.9 mm
- ECU maker
- OEM
- MCU type
- M16C_R5F35633JFF
- 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.
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Other ECUs for the Yamaha Mio J
| ECU part number | Years | cc | Market |
| 54P-00 | 2015–2018 | 110 | Asia |
| 54P-01 | 2015–2018 | 110 | Asia |
| 54P-04 | 2015–2018 | 110 | Asia |