| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 47 |
| Registration plate issues | 31 |
| Horn not working (7.7 (a) (ii)) | 20 |
| Headlamp aim out of alignment | 11 |
| Horn not working (7.7 (a)) | 11 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Registration plate lamp issues | 2 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak Both front forks leaking (5.3.2 (b)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working both controls (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Wheel spoke excessively loose both wheels (5.2.2 (d)) | 1 |
| Rear Brake component modification unsafe pad retaining pin insecure (1.1.21 (d) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Wheel spoke excessively loose 2 dangerously loose spokes (front and rear) (5.2.2 (d)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Horn not working missing (7.7 (a) (ii)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Footrest insecure retaining split pin missing (6.2.12 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock offside steering stop bolt missing (2.1.4 (b)) | 1 |
| Central Rear Upper Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Wheel more than one fixing missing (5.2.1 (a) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Wheel spoke excessively loose 8 (5.2.2 (d)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Stop lamp remains on when the brakes are released | 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 |
| Central Rear Inner Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Central Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Rear Upper Stop lamp not working not working on rear brake pedal (4.3.1 (a) (ii)) | 1 |
| Central Front Upper Horn not working (7.7 (a) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Stop lamp not working front and rear (4.3.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| Central Lower Wheel spoke missing 1 spoke missing (5.2.2 (d)) | 1 |
| Front Wheel spoke missing (5.2.2 (d)) | 1 |