| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 6 |
| Registration plate lamp issues | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Centre Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Offside Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 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 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp brake & rear indicator lights not separate. (4.4.3 (b)) | 1 |
| Front Upper Brake hose leaking leaking at m/c (1.1.12 (c)) | 1 |
| Offside Front Upper Shock absorber insecurely attached top fork leg bolt loose. (5.3.2 (a) (i)) | 1 |
| Rear Lower Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Upper Motorcycle structure is fractured and structural rigidity is significantly reduced front fairing mount cracked at headstock. (6.1.1 (a) (i)) | 1 |
| Front Brake disc insecure o/s disc missing 2 bolts. (1.1.14 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail Locking nut split and insecure (6.1.7 (c) (ii)) | 1 |
| Front Horn sound not in accordance with requirements intermittent sound (7.7 (c)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |