KESS3 Protocols Releases

Mitsubishi B6K-5891A-40 and BMD-5891A-40 ECUs – Yamaha.

Alientech expands its coverage dedicated to the latest-generation quads.

07.11.2025 – Upgrade 2.58

Work in BENCH mode on the new Yamaha quads: Grizzly, Kodiak (with Mitsubishi B6K-5891A-40 ECU) and Raptor, YFM (equipped with BMD-5891A-40 ECU and latest-generation 700cc engines).
A stable and precise connection allows you to read and write the ECU without opening it — directly from the connector — ensuring fast and safe operations.

Offer a complete service on quads designed for off-road and racing, optimizing engine management to enhance performance even under the toughest conditions.

Technical focus

  • Connection: OBD
  • ECU: Mitsubishi B6K-5891A-40 / BMD-5891A-40
  • Production years: from 2024
  • Brands involved: Yamaha

Supported vehicles

Yamaha Grizzly, Kodiak, Raptor, YFM

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