KESS3 Upgrade 3.25: OBD and BENCH Protocols for Keihin 38770-MKC ECU on Honda Gold Wing Motorcycles

2026-06-29
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KESS3 Adds Premium Honda Gold Wing Support with Dual Protocol Access

Alientech presents Upgrade 3.25 for KESS3, featuring OBD and BENCH protocols for the Keihin 38770-MKC ECU, dedicated to one of the most iconic grand touring motorcycles in the world: the Honda Gold Wing. With 1800cc engines from 2018 onwards, these luxury touring platforms now benefit from KESS3's advanced tuning capabilities.

The dual-protocol approach offers maximum flexibility. OBD mode allows direct work through the vehicle's diagnostic port and also supports Powergate devices, while BENCH mode provides direct access to the ECU from the connector without opening it — a fast and controlled solution for workshops.

Technical Specifications

Parameter Details
Connection Modes OBD, BENCH
ECU Type Keihin 38770-MKC
Engine 1800cc
Production Years From 2018 onwards
Supported Brand Honda
Tool Compatibility KESS3, Powergate (OBD)

Supported Vehicle

  • Honda Gold Wing (2018+)

Optimizing the Ultimate Touring Experience

The Honda Gold Wing represents the pinnacle of long-distance touring comfort and performance. This release enables tuning professionals to work with greater flexibility on this high-end touring platform, where smoothness, engine response, and delivery quality are key elements for riding comfort and intervention precision. Whether enhancing throttle response for spirited riding, optimizing fuel delivery for long-haul efficiency, or fine-tuning power curves for two-up touring, KESS3 delivers the precision these premium machines demand.