Engine power
Power hp
+11 hp
Original 55 hp
Stage 1 66 hp
Gain +11 hp
Honda CB CB400B 400 Super Four
ECU Chiptuning Performance Results
Estimated power and torque gains after Stage 1 ECU remapping
Engine torque
Torque Nm
+8 Nm
Original 38 Nm
Stage 1 46 Nm
Gain +8 Nm
Estimated Stage 1 gains are calculated from stock values using an approximate 20% increase. Actual performance improvements may vary depending on vehicle condition, fuel quality, hardware configuration and operating environment.
Chip tuning for the Honda CB400B Super Four involves precise adjustment of the engine’s electronic control unit (ECU), specifically the Keihin 38770-MFM-651 unit utilizing an M32R processor. For a motorcycle intended for dynamic riding, engine responsiveness and acceleration are particularly important. Reprogramming the ECU allows for smoother engine operation, improved throttle response, and optimized torque across the rev range.
During the chip tuning process, we analyze the current operating parameters of the 400cc engine and adjust fuel maps, ignition timing, and other critical values. This maximizes the potential of the 41 kW output and 38 Nm of torque, without reducing engine lifespan. Particular attention is paid to operational stability under load and across a wide temperature range.
We aim to ensure the engine operates with maximum efficiency and reliability, providing confident acceleration and comfortable motorcycle control. AutoChip.lv guarantees that after ECU reprogramming, your Honda CB400B Super Four will continue to perform reliably for years to come. Chip tuning for the Honda CB400B Super Four.
Specification
| Power (KW) | 41 |
|---|---|
| Power (HP) | 55 |
| Torque (Nm) | 38 |
| Power (PS) | 56 |
| ECU Brand | Keihin |
| ECU Version | 38770-MFM-651 |
| ECU Micro | M32R |
| Tools | KESS3 compatible Powergate not compatible |
| Connection | OBD available |
| Year | 2011 |
| Type | Bikes |
Choose your vehicle
To view the chip tuning options available for your vehicle, select the make, model, year and engine.