| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 21 |
| Registration plate issues | 20 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Headlamp aim out of alignment | 4 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Registration plate lamp issues | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam headlamp low beam does not work on full lock (4.1.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn lower shock link (5.3.4 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted Drive chain split link incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Horn not working Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play Rear wheel bearings have excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working with front lever (4.3.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached worn through (6.1.7 (j) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain so loose it is likely to fail chain and sprokets worn out (6.1.7 (c) (ii)) | 1 |
| Wheel bearing play so excessive it is likely to break up front and rear (5.1.3 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Suspension arm pin or bush excessively worn Swingarm bearings (5.3.4 (a) (i)) | 1 |