Honda CBR Keihin 38770-K64-N04
Power
38 HP / 28 kW
Fuel
Petrol
Version
250RR
Model year(s)
2018
Control unit
Keihin 38770-K64-N04ECU
Protocols
- OBD3149
Live ECU tuning for the Honda CBR, with measured power and torque gains, a dyno preview, and the supported file options grouped into one focused page.
Available tuning options
Performance 1
Driveability & comfort 1
Speed limit raised We take no responsibility for legal actions as a result of a raised speed limiter, this may be illegal in your country.
Services, files & hardware 1
Send us your ECU Includes standard bench fee processing for 1 ECU and NZ return freight. Include a send in ECU form fully filled out with your ECU.
Installation and process
Choose the tuning package that fits your goals, confirm the vehicle and ECU, and request your files. AltTune then guides the read, write, and verification steps for your selected vehicle — whether handled remotely with a supported flash tool or on the bench.
Support, safety, and trust
Vehicle condition, maintenance history, fuel quality, and intended use all affect results. We only publish gains we can support for the listed configuration, and we ask that you confirm suitability for your vehicle and application before ordering.
Frequently asked questions
01
Is the Honda CBR Keihin 38770-K64-N04 supported?
This page is generated for an active vehicle in the AltTune catalogue, so it represents a currently supported tuning entry. If your exact ECU differs, contact us to confirm before ordering.
02
What options are available for this vehicle?
The resolved options for this vehicle include Send us your ECU, Tune, Speed limit raised. The exact list depends on the vehicle type, fuel, and supported protocols.
03
What gains can I expect?
Exact gains depend on the selected option and the data available for this vehicle.
