| Most common failures | No# failures |
|---|
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp aim out of alignment | 2 |
| Front Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake |1.3.1a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride joining link fitted the wrong way |6.2.1h| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Position lamp not working PILOT / PARKING LAMP (4.2.1 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Brake lagging in operation (1.2.1 (d)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Brake master cylinder defective but brake still operating |1.1.10 |b| |i|| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |