Zero S — Electrical
High risk
Apr 12, 2018
Model years: 2012
On certain motorcycles, the cell pouches within the battery packs may wear against their holders, which may lead to a breach of their outer layers, potentially allowing humidity to
Also affects: Zero Ds, Zero Dsp
Zero S — Brakes
High risk
Mar 9, 2017
Model years: 2017
On certain motorcycles, the software of the Hydraulic Control Unit (HCU) which controls the Anti-Lock Braking System (ABS) may be incorrect. If a braking event were to trigger the
Also affects: Zero Ds, Zero Fxs
Zero S — Electrical
High risk
Sep 13, 2016
Model years: 2015
On certain vehicles, the power converter that supplies power from the battery pack to the lights, instruments, anti-lock braking (ABS) system and other accessories may have insuffi
Also affects: Zero Ds, Zero Fx, Zero Sr
Zero S — Powertrain
High risk
Mar 14, 2014
Model years: 2014
On certain motorcycles, the motor rotor may contact the stator at sustained maximum motor RPM. Should this occur during motorcycle operation, rear wheel lockup could result, increa
Also affects: Zero Sr
Zero S — Electrical
High risk
Jan 21, 2014
Model years: 2012, 2013
On certain motorcycles, the motor controller may react to signal faults by cutting power to the motor unexpectedly. Lost vehicle propulsion, in conjunction with traffic and road co
Also affects: Zero Ds, Zero Fx, Zero Xu
Zero S — Brakes
High risk
Aug 26, 2013
Model years: 2011, 2012
On certain motorcycles, incorrect front brake caliper mounting bolts may have been installed during vehicle assembly. Should the bolts break, the caliper could interfere with the r
Also affects: Zero Ds
Zero S — Electrical
High risk
Sep 21, 2012
Model years: 2012
On certain motorcycles, the motor controller may malfunction causing the motor to shut off unexpectedly. Lost vehicle propulsion, in conjunction with traffic and road conditions, a
Also affects: Zero Ds
Zero S — Lights And Instruments
High risk
Jul 23, 2012
Model years: 2011, 2012
On certain motorcycles, the brake light switch at the front brake lever may not activate until significant brake lever travel occurs. Failure of the brake lamp to illuminate when a
Also affects: Zero Ds, Zero Mxd, Zero X, Zero Xu
Zero S — Electrical
High risk
Jul 23, 2012
Model years: 2012
On certain motorcycles, insufficient weatherproofing may cause a short circuit of the Battery Management System (BMS) when subjected to wet conditions, resulting in the motorcycle
Also affects: Zero X, Zero Xu, Zero Xu-Lsm, Zero Ds
Zero S — Brakes
High risk
Jul 18, 2011
Model years: 2009, 2010
On certain motorcycles, the front brake caliper bracket may experience permanent deformation when subjected to high braking loads. This could allow misalignment of the front brake
Also affects: Zero Ds