Zero Sr
2014–2018
Check this VIN's history before you buy — accidents, title issues, odometer records.
Data Availability
Milemark has classified only 7 NHTSA complaints for the 2014–2018 Zero SR. This electric motorcycle is uncommon compared to gas-powered vehicles, so limited complaint data doesn't indicate reliability—it reflects the small owner population and lower reporting rates. You cannot draw strong conclusions from complaint counts alone.
What We Know From Recalls
Zero issued 6 recalls during this period, covering the electrical system, DC/DC converter, motor controller, exterior lighting, and labeling. For an electric motorcycle with a small production volume, this is a notable recall rate and suggests ongoing development issues with early electric powertrains.
Warranty Extensions and Technical Bulletins
Zero published 17 technical service bulletins for these model years—a significant number for a niche manufacturer. These document known issues beyond what owners reported to NHTSA, though specific failure modes aren't detailed in our summary data.
Owner Watch-Outs
The limited complaints center on the body control module (6 of 7 complaints), with half resulting in towing. Failures occurred at low mileage (median: 2,100 miles), suggesting early-life electrical gremlins.
How to Research Further
Check Zero-specific forums (zeromotorcycles.com, elmoto.net) for detailed owner experiences. Obtain a pre-purchase inspection from a Zero-certified technician. Verify recall completion and review TSB history with the VIN.
Not confident checking all of this yourself? A pre-purchase inspection from a mobile mechanic typically runs $100–200 and catches most of what's listed above.
Trends
Complaint trends by era
7 complaints · 3 recalls
5-year windows, not manufacturer generations — this database doesn't have reliable platform/redesign data to draw real generation boundaries from. Recent model years show fewer complaints mainly because they have been on the road less time, not necessarily because they're more reliable — read this as complaint volume and mix by era, not a reliability trend.
What breaks, and when
Median onset: 2,100 miles. 50% involved a tow.
Median onset: 4,800 miles.
From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see methodology.
Buying this vehicle? An extended warranty can cap your risk on the failures listed above.
Sources: NHTSA Office of Defects Investigation — complaints, recalls, investigations, service bulletins. Methodology. This is not an inspection and not a recommendation to buy or avoid this vehicle.