| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Registration plate issues | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride sprocket lock nuts loose |6.2.1h| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride brake reaction bar locking device missing |6.2.1h| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Brake grabbing severely rear brake locks on |1.2.1 |c|| | 1 |
| Front Brake disc contaminated contaminated with fork oil |1.1.14 |b|| | 1 |
| Front Shock absorber has a serious fluid leak both front forks excessively leaking oil |5.3.2 |b|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Brake component modification unsafe Torque arm retaining clip missing (1.1.21 (d) (i)) | 1 |