| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 21 |
| Headlamp aim out of alignment | 16 |
| Registration plate issues | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Registration plate lamp issues | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working rear brake switch seized in (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working Rear indicator not functioning on switch or hazard lights (4.4.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Rear reflector missing Rear Reflector Missing (4.8.2 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure left mirror (6.1.1 (b) (i)) | 1 |
| Rear reflector reflecting white to the rear (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Exhaust system insecure rear silencer (6.1.2 (a)) | 1 |