| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Registration plate issues | 15 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Registration plate lamp issues | 5 |
| Horn not working (7.7 (a)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Stop lamp not working front brake control (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 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 Stop lamp does not illuminate by the operation of both brake controls SWITCH (4.3.2 (a) (iii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording Both Exhausts (6.1.2 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Stop lamp not working from front brake control. (4.3.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Stop lamp not working Front brake light switch faulty, rear brake light works ok (4.3.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Fork yoke insecure top yoke nut loose (2.2.2 (d) (i)) | 1 |
| Front Stop lamp not working front brake lever (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |