| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Registration plate lamp issues | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Registration plate issues | 2 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake performance not tested rear brake calliper in a dangerous condition (1.2.1 (g)) | 1 |
| Front Brake performance not tested due to rear brake condition (1.2.1 (g)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake disc in such a condition that it is seriously weakened Rear brake disc worn out by over heat/ binding constantly. (1.1.14 (a) (ii)) | 1 |
| Rear brake binding | 1 |
| Nearside Rear Footrest insecure split pin missing. (6.2.12 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |