The Rush SR is designed for longevity, but extended operation requires scheduled replacement of safety-critical and wear components. A warning light is shown every 12,000 mi (approx. 150 hours) to indicate the engine and gearbox should be rebuilt. See dash-alarms.md.
The intervals below assume approximately 8 hours per event.
| Task | Notes |
|---|
| Replace sprockets | — |
| Replace master cylinders | — |
| Rebuild brake calipers | — |
| Replace wheel studs | — |
| Replace ignition coils | — |
| Replace fuel pumps | — |
| Replace fuel cell foam | — |
| Replace Gen 1 seat | — |
| Certify fire suppression system | REQUIRED — gauge must be in GREEN before every event |
| Task | Notes |
|---|
| Replace pedal box | — |
| Replace Gen 2 seat | — |
| Task | Notes |
|---|
| Rebuild engine | ~$3,500 |
| Rebuild steering rack | — |
| Replace steering quick release | — |
| Replace wheel bearings | — |
| Task | Notes |
|---|
| Replace driver harness | Inspect before every session for frays, cuts, or damage. Never use a harness with broken or missing buckle pins. |
| Replace fuel cell | Inspect foam baffling regularly for deterioration. Dual fuel tank cars must have only ONE check valve installed. |
