| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 7 |
| Registration plate issues | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp aim beam image kick up to the offside Masked at time of test |1.6| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Front wheel insecure |4.2.3b| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear wheel has a loose wheel bolt|s| |4.2.3a| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Front Wheel fixing missing (multiple fixings) Lower mounting point for wheel spindle has 1 snapped/missing stud & nut. (5.2.1 (a) (i)) | 1 |
| Rear Position lamp light intensity significantly reduced Obscured by number plate (4.2.3 (a) (ii)) | 1 |
| Stop lamp light intensity significantly reduced Obscured by number plate (4.3.3 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Vehicle identification number not permanently displayed |6.3.5a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies Front brake |1.3.1a| | 1 |
| Brake pedal pivot has excessive free play Stop bolt missing (1.1.1 (b)) | 1 |
| Rear Wheel spoke cracked (5.2.2 (d)) | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Wheel bearing rough when rotated Loud noise when wheel rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake component insecure caliper bolt loose (1.1.21 (c)) | 1 |
| All position lamps not working front and rear (4.2.1 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |