HUSQVARNA · RH850 GEN 1 ECU

HUSQVARNA 701 RH850 GEN 1 tuning files

HUSQVARNA 701 on the RH850 GEN 1: matched, calibrated and delivered with care. The matched variants sit between 75 and 75 HP from the factory. Stage 1 and Stage 2 are the safe starting points for this platform. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All 701 coverageCustom ECU tuning file service

Available solutions

Solutions that apply to the RH850 GEN 1 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2

Engine variants & ECU software

2 distinct variants for the HUSQVARNA 701 on the RH850 GEN 1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
701cc 75HP
Controller brand
KEIHIN
ECU
RH850 GEN 1
Stock power
75 HP
SW upgrade
KM271EU21M0601
Calibration
KM271EU21M0601

Variant 2

ECU
Catalog engine
701cc 75HP
Controller brand
KEIHIN
ECU
RH850 GEN 1
Stock power
75 HP

Related vehicles

Other vehicles built on the RH850 GEN 1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the HUSQVARNA 701 on the RH850 GEN 1?

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

Do you cover the RH850 GEN 1 ECU software on this model?

Yes — the HUSQVARNA 701 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.

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.

HUSQVARNA 701 RH850 GEN 1 ECU Tuning Files | TuningBay