| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 65 |
| Registration plate lamp issues | 40 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 23 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 17 |
| Stop lamp not working (4.3.1 (a) (ii)) | 16 |
| Registration plate issues | 15 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 10 |
| Stop lamp not working |4.3.1 |a| |ii|| | 10 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Rear Position lamp not working (4.2.1 (a)) | 8 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 6 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 6 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Rear Position lamp not working |4.2.1 |a|| | 3 |
| Horn sound not in accordance with requirements (7.7 (c)) | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Horn not working |1.7.3a| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |