| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Rear reflector missing (4.8.2 (a) (ii)) | 17 |
| Registration plate issues | 12 |
| Rear Position lamp not working (4.2.1 (a)) | 8 |
| Registration plate lamp issues | 4 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Steering operation impeded by a fairing trap hands on turning (2.1.4 (e)) | 1 |
| Rear Position lamp not working Rear tail light not working (4.2.1 (a)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned BOTH (4.4.3 (a)) | 1 |
| Nearside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Stop lamp not working Front brake (4.3.1 (a) (ii)) | 1 |
| Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel cap ineffective damaged seal (6.1.3 (b) (i)) | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Throttle operating incorrectly throttle staying open when released due to mirror fouling twist grip (6.2.7 (a) (i)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock right hand mirror fouling tank restricting steering lock (2.1.4 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking on full lock (6.2.7 (a) (ii)) | 1 |
| Rear Wheel spoke cracked Broken (5.2.2 (d)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect Beam pattern incorrect - headlamp mask fitted. (4.1.2 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel Air in system, pedal bottoming out. (1.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever pivot excessively tight (1.1.1 (a)) | 1 |