Harley-Davidson Sportster S Tuning
1 supported Harley-Davidson Sportster S application, 2021-2022.
Harley-Davidson
1 supported Sportster S tunes
Harley-Davidson Sportster S
(RH1250S)
2021-2022
- Controller
- Engine (ECU)
- Remote tuning
- Remote tuning available
HP TunersBook a tune
All Supported Harley-Davidson Sportster S Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| (RH1250S) | 2021-2022 | ECU | HP Tuners |
Other Harley-Davidson Models
About Harley-Davidson Sportster S tuning
Rapid Racing supports 1 Harley-Davidson Sportster S application from 2021-2022 through HP Tuners. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan. Remote tuning is available for supported Harley-Davidson Sportster S applications.
Supported engines: (RH1250S).
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.