Triumph 400cc Tuning
Supported in 2 Triumph models, 2023+.
Triumph
2 supported 400cc applications
Models With the Triumph 400cc
All Supported Triumph 400cc Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Scrambler 400 | 2023+ | 40 hp | ECU Keihin KTKSv2 | AutoTuner | |
| Speed 400 | 2023+ | 40 hp | ECU Keihin KTKSv2 | AutoTuner |
About Triumph 400cc tuning
We tune the Triumph 400cc in 2 applications across the Scrambler 400, Speed 400, from 2023+, in gasoline form, with stock outputs of 40 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Keihin KTKSv2.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.