| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 30 |
| Registration plate lamp issues | 9 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Registration plate issues | 6 |
| Headlamp aim out of alignment | 5 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake lever insecure Whole clamp insecure (1.1.2 (e) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively tight Seized links (6.1.7 (k) (i)) | 1 |
| Rear Upper Footrest missing both rear foot pegs removed (6.2.12 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working when rear brake pedal is applied (4.3.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear reflector missing rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain sprocket so worn it is likely to fail Chain at very end of adjustment - (6.1.7 (c) (ii)) | 1 |
| Direction indicator with a multiple light source more than 1/2 not functioning Both rear (4.4.1 (a) (ii)) | 1 |
| Direction indicator obviously incorrectly positioned Both rear to close together (4.4.3 (a)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Position lamp not working number plate lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 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 |