| Most common failures | No# failures |
|---|
| Stop lamp remains on when the brakes are released | 9 |
| Horn not working (7.7 (a)) | 8 |
| Headlamp aim out of alignment | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Registration plate lamp issues | 5 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect dip wrong way (4.1.2 (c)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Stop lamp switch with a delay in operation front and rear (4.3.2 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect european image headlamp aim (4.1.2 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect kick up to the right (4.1.2 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working front control (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect kick up to wrong side (4.1.2 (c)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Registration plate issues | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect Headlight kick up to the right as opposed to the required left hand side (4.1.2 (c)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect "kick up" projects to right instead of left (4.1.2 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |