HONDA MOTO · R8C 64K ECU

HONDA MOTO CRF250 RALLY R8C 64K tuning files

Everything we work with on the HONDA MOTO CRF250 RALLY fitted with the R8C 64K. The matched variants sit between 18 and 18 HP from the factory. 2 distinct variants are catalogued here. For this platform the dependable path begins with Stage 1 and Stage 2. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All CRF250 RALLY coverage Custom ECU tuning file service

Available solutions

Solutions that apply to the R8C 64K on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the HONDA MOTO CRF250 RALLY on the R8C 64K ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 250 18HP
Controller brand: KEIHIN
ECU: R8C 64K
Stock power: 18 HP
SW upgrade: K1TF101
Calibration: K1TF101

Variant 2

ECU

Catalog engine: 250 18HP
Controller brand: KEIHIN
ECU: R8C 64K
Stock power: 18 HP
SW upgrade: KZZJ108
Calibration: KZZJ108

Related vehicles

Other vehicles built on the R8C 64K controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the HONDA MOTO CRF250 RALLY on the R8C 64K?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the R8C 64K ECU software on this model?

Yes — the HONDA MOTO CRF250 RALLY on the R8C 64K ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.