KESS3 Completes Honda Small Motorcycle Coverage with New BOOT Protocol
Alientech announces Upgrade 3.21 for KESS3, introducing a BOOT protocol for the Keihin 38770-XXX ECU, bringing complete coverage to Honda's popular small-displacement motorcycles from 2021 onwards. This update adds the final connection mode, complementing the already available OBD and BENCH connections for this ECU family.
With the introduction of BOOT mode, KESS3 delivers a comprehensive three-mode solution for the Keihin 38770-XXX ECU: fast connection in OBD for quick diagnostics, direct access in BENCH for connector-based work, and advanced intervention in BOOT for deep ECU operations. This complete toolkit gives tuning professionals maximum flexibility when working on Honda's 125cc and 350cc platforms.
Technical Specifications
| Parameter | Details |
|---|---|
| Connection Mode | BOOT (complements OBD, BENCH) |
| ECU Type | Keihin 38770-XXX |
| Engine | 125cc, 350cc |
| Production Years | From 2021 onwards |
| Supported Brand | Honda |
Supported Vehicles
- Honda Monkey (125cc)
- Honda SH (125cc, 350cc)
Complete Solution for Small-Displacement Tuning
Honda's small-displacement models, including the iconic Monkey and the popular SH series, enjoy a dedicated following among urban riders, custom builders, and enthusiasts worldwide. With all three connection modes now available on the Keihin 38770-XXX ECU, KESS3 provides the most complete tuning solution on the market for these platforms. Workshops can now work in greater depth on power delivery strategies, optimizing engine response according to specific customer needs — from enhancing urban rideability to extracting maximum performance from compact engines.
