| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 132 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 23 |
| Front Brake excessively binding (1.2.1 (f)) | 20 |
| Horn not working (7.7 (a)) | 20 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 17 |
| Registration plate lamp issues | 17 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 17 |
| Rear reflector missing (4.8.2 (a) (ii)) | 15 |
| Stop lamp remains on when the brakes are released | 14 |
| Registration plate issues | 13 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 12 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 11 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 11 |
| Horn not working (7.7 (a) (ii)) | 10 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 10 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 8 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 8 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 6 |
| Front Position lamp not working (4.2.1 (a)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 3 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Rear Footrest missing (6.2.12 (a)) | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 3 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |