2 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
20V704000 · Exterior Lighting:Brake Lights:Switch
Reported: 2020-11-13 (November 13, 2020) · Model years: 2020
Zero Motorcycles Inc. (Zero) is recalling certain 2020 SR/F and SR/S motorcycles. The front brake switch can fail from water getting into the switch.
Consequence: An inoperable front brake switch will not illuminate the brake light when the rider applies the front brakes. Following vehicles may not realize the motorcycle is braking. Cruise control will not shut off with the application of the front brakes. Both conditions increase the risk of a crash.
Remedy: Zero will notify owners, and dealers will the replace the front brake switch, free of charge. The recall began November 30, 2020. Owners may contact Zero customer service at 1-888-841-8085. Zero's number for this recall is SV-ZMC-021-020.
NHTSA campaign record ↗21V940000 · Service Brakes, Hydraulic:Foundation Components:Disc:Pads
Reported: 2021-12-03 (December 3, 2021) · Model years: 2022
Zero Motorcycles, Inc. (Zero) is recalling certain 2022 SR, SR/F, and SR/S motorcycles. The incorrect rear brake pads were installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 122, "Motorcycle Brake System."
Consequence: The incorrect rear brake pads may not work as intended, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the rear brake pads, free of charge. Owner notification letters were mailed January 10, 2021. Owners may contact Zero customer service at 1-888-841-8085. Zero's number for this recall SV-ZMC-022-018.
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
2 unique complaints in this selection. Analysis snapshot: 2026-10-01.
100.0%Usable mileage2 / 2 records
100.0%Valid incident date2 / 2 records
100.0%Valid filing date2 / 2 records
100.0%Ordered incident and filing dates2 / 2 records
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
Component complaint heatmap
Component
2020
2021
2022
Electrical System:12v/24v/48v Battery
00.0%
No examples available for this selection.
1100.0%ODI 11488421 · 1,000 mi
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…
The contact owns a 2020 Zero SR/S motorcycle. The contact stated that while riding at an undisclosed speed and coming to a full stop, the rear brake was applied; however, the motorcycle rolled backward. The motorcycle was taken to the dealer where it was diagnosed that the rear brake and caliper were engaged while riding, causing the rear brake and caliper to melt. The dealer informed the contact that the rear brake and caliper needed to be replaced. The motorcycle was not repaired. The manufacturer was made aware of the failure. The failure mi…
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
Component failure mileage distribution
Component
Mileage range (25th–75th percentile)
Median
Usable records
Examples
Electrical System:12v/24v/48v Battery
Too few reports for a range
1,000 mi
1 (sparse)
ODI 11488421 · 1,000 mi
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…
The contact owns a 2020 Zero SR/S motorcycle. The contact stated that while riding at an undisclosed speed and coming to a full stop, the rear brake was applied; however, the motorcycle rolled backward. The motorcycle was taken to the dealer where it was diagnosed that the rear brake and caliper were engaged while riding, causing the rear brake and caliper to melt. The dealer informed the contact that the rear brake and caliper needed to be replaced. The motorcycle was not repaired. The manufacturer was made aware of the failure. The failure mi…
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
Monthly complaint and recall timeline
Month
Complaints
Campaigns announced
Examples
2024-11
0
None
No examples available for this selection.
2024-12
0
None
No examples available for this selection.
2025-01
0
None
No examples available for this selection.
2025-02
0
None
No examples available for this selection.
2025-03
0
None
No examples available for this selection.
2025-04
0
None
No examples available for this selection.
2025-05
0
None
No examples available for this selection.
2025-06
0
None
No examples available for this selection.
2025-07
0
None
No examples available for this selection.
2025-08
0
None
No examples available for this selection.
2025-09
0
None
No examples available for this selection.
2025-10
0
None
No examples available for this selection.
2025-11
0
None
No examples available for this selection.
2025-12
0
None
No examples available for this selection.
2026-01
0
None
No examples available for this selection.
2026-02
0
None
No examples available for this selection.
2026-03
0
None
No examples available for this selection.
2026-04
0
None
No examples available for this selection.
2026-05
0
None
No examples available for this selection.
2026-06
0
None
No examples available for this selection.
2026-07
0
None
No examples available for this selection.
2026-08
0
None
No examples available for this selection.
2026-09
0
None
No examples available for this selection.
2026-10 (partial)
0
None
No examples available for this selection.
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2021: 1 complaints · 2022: 0 complaints
Equal observation windows
Model year
Through age 0
Through age 1
Through age 2
2021
0
1
1
2022
0
0
0
Date coverage across each selected cohort
Date basis for all complaints in selected model years
Year
Incident dates used
Filing date fallbacks
Excluded dates
2021
1
0
0
2022
0
0
0
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
Component co-occurrence matrix
Component
Electrical System:12v/24v/48v Battery
Service Brakes, Hydraulic
Electrical System:12v/24v/48v Battery
—
0
Service Brakes, Hydraulic
0
—
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
1 patterns with matching reports.
Stalling or loss of power
1 mentions · 50.0% of complaints
Median mileage: 1,000 mi (1 usable records).
ODI 11488421 · 1,000 mi
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…