| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 18 |
| Registration plate issues | 11 |
| Headlamp aim out of alignment | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Registration plate lamp issues | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Offside Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear Brake component modification adversely affecting braking performance Adjustable travel rod loose |1.1.21 |d| |ii|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |