| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Registration plate issues | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Registration plate lamp issues | 1 |
| Horn not working (7.7 (a)) | 1 |
| Horn not working Dirty connections. (7.7 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working opp (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Nearside Rear Wheel bearing rough when rotated SIDE CAR (5.1.3 (b) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake pedal pivot excessively worn Pedal excessivly corroded (1.1.1 (b)) | 1 |
| Rear Lower Sidecar structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Handlebar grip insecure to handlebar left grip (2.2.1 (d) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam Main beam position not working - flash works (4.1.3 (b)) | 1 |
| Rear Brake cylinder inadequately mounted (1.1.16 (c) (i)) | 1 |
| Front Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |