Harley Davidson 975 RH / Bronx 2020 - ... RH 975 S Nightster Special 89hp
Real standard and upgraded performance figures for the RH 975 S Nightster Special 89hp engine in the Harley Davidson 975 RH / Bronx 2020 - ....
The Harley Davidson 975 RH / Bronx 2020 - ... RH 975 S Nightster Special 89hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 89 | 95 |
| Stage 1 | 95 | 101 |
| Stage 2 | 98 | 104 |
- Make
- Harley Davidson
- Model
- 975 RH / Bronx
- Generation
- 2020 - ...
- Engine
- RH 975 S Nightster Special 89hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Harley Davidson 975 RH / Bronx 2020 - ... RH 975 S Nightster Special 89hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the RH 975 S Nightster Special 89hp make after tuning?
Standard output is 89 HP / 95 Nm; Stage 1 on this engine typically reaches 95 HP / 101 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Harley Davidson 975 RH / Bronx 2020 - ... RH 975 S Nightster Special 89hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the RH 975 S Nightster Special 89hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.