| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Registration plate issues | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn missing |1.7.1| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Steering lock stop loose |2.1.3| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Wheel fractured significantly reducing the original strength |4.2.1a| | 1 |
| Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Headlamp main beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Shock absorber has a serious fluid leak All (5.3.2 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |