Keihin 38770-MKE — supported tools

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Keihin 38770-MKE engine control unit. Confirmed tool compatibility: Alientech KESS3. Modes confirmed for the corresponding protocols: Bench, OBD. Application scope, functions and requirements are specified in the support records.

Last changed: 2026-10-31 · Card revision 1

Compatibility depends on ECU HW/SW, protocol and active licence. A tool missing from this list does not imply lack of support.

Tool

Connection

Operations

Scope and notes

Alientech KESS3

OBD

Read (type unspecified)
Write

Keihin 38770-MKE; Honda:; KESS3 2.54; Honda CRF 250/450; 2020–2025

Functions confirmed in KESS3 update 2.54. Requires activation for the corresponding vehicle category and mode; match the variant in Alientech Suite.

Alientech KESS3

Bench

Read (type unspecified)
Write

Keihin 38770-MKE; Honda:; KESS3 3.16; Honda CRF 250/450; from 2017

Functions confirmed in KESS3 update 3.16. Requires activation for the corresponding vehicle category and mode; match the variant in Alientech Suite.

Pinout Bench

No Bench pinout has been added.

Pinout Boot

No Boot pinout has been added.

Update history

Revision 1 · 2026-10-31