Variant 1
ECU- Catalog engine
- 700 75HP
- Controller brand
- KEIHIN
- ECU
- RH850 GEN 1
- Stock power
- 75 HP
- SW upgrade
- KM761EU21M0601
- Calibration
- KM761EU21M0601
GAS GAS · RH850 GEN 1 ECU
Everything we work with on the GAS GAS FSE fitted with the RH850 GEN 1. Stock output across the matched variants spans 75–75 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.
What we can run on the RH850 GEN 1 for this vehicle — the precise options narrow down by engine and software version.
1 distinct variant for the GAS GAS FSE on the RH850 GEN 1 ECU. Reference the engine and controller software when you upload.
Other vehicles built on the RH850 GEN 1 controller or the same engine — handy when a platform spans several models and makes.
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Yes — the GAS GAS FSE on the RH850 GEN 1 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.