Zero SR: problems, complaints, bulletins
Summary for the Zero SR across 9 model years: 0 owner complaints and 20 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 40 |
| Fuel/propulsion system | 0 | 0 | 15 |
| Equipment | 0 | 0 | 7 |
| Engine | 0 | 0 | 5 |
| Powertrain | 0 | 0 | 2 |
| Other | 0 | 0 | 17 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Service Bulletin and Recall Cases Zero Motorcycles can now create Service Bulletin and Recall cases…
- We would like to inform you that a new firmware release for the 2020+ Cypher III platform will soon be…
- CYPHER III OTA FIRMWARE RELEASE Coming Soon The latest firmware release (MBB V45, BMU V21, BMS V27) for…
- New diagnostic tool Tuner is available for 2017 and newer model.s On May 15th, a new firmware will be…
- Dealer notification announcing new firmware for certain models of Zero Motorcycles
- Dealer TSB with repair instructions
- Initial notice to dealers of the upcoming recall (25V-834)
- Dealer notification of release of new firmware for specific motorcycles
- Dealer notification of Chain Kit Recall (23E074)
- Dealer notification of new firmware for motorcycle models
- Today, May 2, 2023, Zero Motorcycles has released a new firmware version for all motorcycles utilizing the…
- Zero Motorcycles Dealer News 11.22.22 - New Firmware, Diag4Zero, Holiday Hours
Other models of this make
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Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.