| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 56 |
| Registration plate issues | 40 |
| Rear reflector missing (4.8.2 (a) (ii)) | 26 |
| Rear reflector missing |4.8.2 |a| |ii|| | 9 |
| Registration plate lamp issues | 6 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Brake fluid contaminated (1.8 (a)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Stop lamp not working when either brake lever operated |4.3.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies Brake light does not illuminate immediately when the hand brake is applied |1.3.1a| | 1 |
| Nearside Front Footrest insecure |6.2.12 |a|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking steering stem nut cracked |6.1.1c| | 1 |
| Horn control defective horn button seized |1.7.2a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Direction indicator not working |4.4.1 |a| |ii|| | 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 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Rear Direction indicator obviously incorrectly positioned both indicators |4.4.3 |a|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Oil leak on Right Fork oil seal. (5.3.2 (b)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies Brake light does not illuminate immediately when the foot brake is applied |1.3.1a| | 1 |
| Front Steering damper ineffective (2.1.4 (d) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake component inadequately mounted Front pad retainer springs incorrectly fitted (1.1.21 (c)) | 1 |
| Rear Brake fluid contaminated |1.8 |a|| | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Footrest insecure (6.2.12 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen headlight grill and lens effecting beam pattern (4.1.2 (a)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Direction indicator obviously incorrectly positioned Rear R / L indicators combined in rear light - Too close together (4.4.3 (a)) | 1 |
| Position lamp adversely affected by the operation of another lamp Rear light operation affected by indicators (4.2.3 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Rear Rear reflector missing missing (4.8.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Central Rear Lower Footrest missing Both footrests missing, no hand rails or seat strap but has pillion seat (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak left hand fork seal leaking (5.3.2 (b)) | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp needs 180mm separation between indicators at rear (4.4.3 (b)) | 1 |
| Central Rear Lower Exhaust silencer likely to become detached exhaust clamp missing securing nut - replaced as needed (8.1.1 (b) (ii)) | 1 |