| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Lower Front suspension assembly component loose |2.3.1| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Registration plate issues | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride drive chain |6.2.1h| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel system component leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Parking brake lever missing |1.1.6 |d|| | 1 |
| Stop lamp|s| missing |4.3.1 |a| |ii|| | 1 |
| Rear reflector missing both |4.8.2 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Wheel fixing missing (single fixing) Split pin (5.2.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Fuel tank leaking around tap (6.1.3 (b) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Shock absorber has a serious fluid leak fork seals (5.3.2 (b)) | 1 |