| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 301 |
| Registration plate issues | 35 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 34 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 17 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 14 |
| Horn not working (7.7 (a) (ii)) | 14 |
| Stop lamp remains on when the brakes are released | 13 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 12 |
| Horn not working (7.7 (a)) | 12 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 11 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 10 |
| Rear Brake excessively binding (1.2.1 (f)) | 9 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 8 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 7 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 7 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 6 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Front Brake fluid contaminated (1.8 (a)) | 5 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 5 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 5 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 4 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 3 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |