OBDSTAR ECU MASTER (Package B) – Motorcycle ECU Flasher & Cloning Tool
| Operation system | Windows 10 or above |
| CPU | STM32H723, STM32F407 |
| Working Voltage | DC 14V / 24V |
| Working temperature | -10℃ to 55℃ (14℉ to 131℉) |
| Storage temperature | -20℃ to 70℃ (-4℉ to 158℉) |
| Weight | 24.69 oz (approx. 0.7 kg) |
| Dimension | 6.93 × 4.53 × 1.25 in (176 × 115 × 31.7 mm) |
| Protocol | CAN (ISO 11898), J1708, ISO 15765, SAE J1939, ISO 9141, ISO 14230 (KWP2000), SAE J1850 |
| R/W Mode | OBD, BENCH, BOOT, JTAG/BDM |
| Warranty | 1 year; software upgrade period 1 year from registration date |
| Software Configuration | Package B |
OBDSTAR ECU MASTER is OBDSTAR's first professional PC-based ECU flasher, compatible with ECUs from major global brands and equipped with anti-misoperation reminders so even beginners can get started quickly.
⚠️ IMPORTANT PACKAGE INFORMATION
This listing includes OBDSTAR ECU MASTER Package B only. Package B covers motorcycle ECM applications — data read/write, ECM cloning, VIN functions, virgin reset and data buffer reset on supported motorcycle controllers.
ECU MASTER software is sold in separate coverage packages:
- Package A – Passenger Cars & EVs
- Package B – Motorcycles (this listing)
- Package C – Heavy-Duty Trucks, Tractors & Off-Highway Machinery
- Package D – Crash Reset, sold as the P50 G2 (AIRBAG MASTER)
Passenger car, heavy-duty and crash-reset functions are not included with Package B and require their respective licenses.
Support Functions
Motorcycle ECM cloning, with VIN Read/Write, Data Read/Write, Virgin Reset and Data Buffer Reset on supported applications.
Supported Models
- HARLEY-DAVIDSON CAN (2-pin connector), CAN (3-pin connector), HD J1850 — R/W Data via BENCH mode, VIN Read function
- HARLEY-DAVIDSON MT21 — R/W Data via BENCH mode, VIN Read function and Mileage Calibration
- HONDA KEIHIN M32R, SH705X, MPC560, RH850 series — R/W Data via BENCH mode
- CFMOTO MSE6.0, MSE8.0, MSE9.0, US6.0, ME17 (MED17.8.10) — ECU Cloning via BENCH mode
- KAWASAKI DENSO series — R/W Data via BENCH mode (21175-XXX series)
Coverage varies by software version. Check the official OBDSTAR coverage list before purchasing.
Highlights
- Comprehensive Protocol & Mode Compatibility — Read/Write via OBD, BENCH, BOOT, JTAG and BDM, with focus on safe open-free ECU operation.
- Motorcycle-Focused Coverage — The ECM coverage package built for motorcycle technicians.
- Intuitive Design for Instant Mastery — Clear menu structure, complete documentation, anti-misoperation reminders.
- Dedicated Wiring Cables — Ships with the full ECU STD KIT1; no jumper improvisation required.
- Regularly Updated — Continuous coverage updates from the manufacturer.
- Professional After-Sales Support — Senior technical team with direct manufacturer expertise.
What's in the box
| Item | Description |
| 14V & 60W | Charger |
| M001C | Main cable |
| USB-A to USB-B | USB cable |
| BENCH-C V1 | ECU flasher bench cable |
| Jumper wires | 8 specifications (J-A ×4, J-B ×9, J-C ×7, J-D ×8, J-E ×8, J-F ×4, J-L ×4, J-N ×6) |
| 3-in-1 jumper | Jumper wire extension |
| C4-01 | Multi-function data read/write board |
| C4-10 adapter kit | C4-10 adapter plus W004, W005 and W006 — read/write data via JTAG/BDM adapter and soldering wire |
The C4-10 adapter, W006 and jumper sets J-A, J-C, J-D, J-F, J-L and J-N together make up OBDSTAR's ECU STD KIT1, which ships with every ECU MASTER unit. The P50 G2 does not include it.

View the latest supported ECU coverage, software updates and operating instructions directly from OBDSTAR: View Official OBDSTAR Downloads →
Coverage lists and downloads are maintained by the manufacturer and may change without notice. Verify vehicle and ECU compatibility before purchasing.