The contact owns a 2021 Zero SR/S Motorcycle. The contact stated while riding 40 MPH with the motorcycle in Eco Mode, he released the throttle and felt the motorcycle stall and lose power. The contact was able to pull over. The motorcycle was taken to the dealer and the battery and control unit were replaced; however, the motorcycle was not functioning as designed. The manufacturer was contacted and stated that the motorcycle operated as designed. The failure mileage was 1,000. The contact stated that the bike still remains at the shop because it is still malfunctioning. A replacement and a refund have been requested from both the dealer and the manufacturer; all requests were denied.
The worst 2021 Zero SR/S problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Electrical1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2021 Zero SR/S 12
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- 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
- 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 notification of release of new firmware for specific motorcycles.
- 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
- Zero Motorcycles Firmware Release Notes October 26, 2022 MY20/21/22/23 Cypher III MBB Rev 27/6 BMU Rev 6/4...
- Zero Motorcycles would like to remind all dealers that a full PDI should be completed prior to any vehicle...
What 2021 Zero SR/S owners say
Most recent owner complaints, unedited.
Compare the 2021 Zero SR/S
Other model years
20202021
Questions about the 2021 Zero SR/S
Is the 2021 Zero SR/S reliable?
Owners have filed 1 complaint about the 2021 Zero SR/S, close to a typical SR/S model year.
What is the most common problem with the 2021 Zero SR/S?
Electrical system, with 1 complaint.
How many recalls does the 2021 Zero SR/S have?
No recalls on record.
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