Denso RH850 HWII original ECU files
Original (stock) files read from Denso RH850 HWII engine control units: 10 files for 1 makes and 1 models. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.
Vehicles with a Denso RH850 HWII ECU 1
All Denso RH850 HWII files 10
| Vehicle | ECU | HW | SW | Calibration / upgrade | |
|---|---|---|---|---|---|
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | — | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 12723080_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 12812000_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 1275A000_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 12493000_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 1245C000_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 12269000_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 12494000_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 12A1D000_00 | €20 · Open |
| Yamaha X-MAX125 11hp | Denso RH850 HWII | — | — | 121A9080_00 | €20 · Open |
All hardware, software and calibration numbers
Find the number from your ECU read (Ctrl+F) and open the matching file.
Calibration / SW upgrade · 9
Tuning for Denso RH850 HWII — done by our engineers
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop
Questions
Are these files modified?
No. Every file is an original (stock) read of a Denso RH850 HWII control unit, delivered exactly as read. If you need a modified file, order tuning below.
How do I find the right file?
Read the ECU with your tool and compare the hardware (HW) and software (SW) numbers — and the calibration when several files share one software number. The vehicle name alone is not enough: the identifiers decide.
How do I get the file?
Create an account on our file service, top up your balance and download the file straight away. Every original file costs €20.
My number is not listed. What now?
Send us the HW/SW numbers of your ECU on WhatsApp or by email. We check our full archive and reply.
Can you tune Denso RH850 HWII?
Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for Denso RH850 HWII (depending on the engine). Upload your read on our file service.