| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 58 |
| Registration plate issues | 48 |
| Rear reflector missing (4.8.2 (a) (ii)) | 31 |
| Registration plate lamp issues | 7 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 5 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 4 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition after market too loud (8.1.1 (a)) | 1 |
| Rear reflector missing rear |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Horn not working |7.7 |a| |ii|| | 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 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Fuel system component leaking Under fuel tank (6.1.3 (b) (i)) | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp adversely affected by the operation of another lamp indicators (4.3.3 (b)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp indicators (4.2.3 (b)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Less than 180mm apart (4.4.3 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect Adjusted (4.1.2 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticks open when handlebars turned to the right hand side (6.2.7 (a) (ii)) | 1 |