| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Headlamp aim out of alignment | 9 |
| Registration plate issues | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Brake disc contaminated (1.1.14 (b)) | 2 |
| Drive belt excessively loose. |6.2.1d| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Drive belt excessively tight |6.2.1d| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear Brake pipe excessively chafed |3.2.B2a| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake pipe excessively corroded | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Brake hose damaged | 1 |
| Registration plate lamp issues | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp aim not tested no dip beam (4.1.2 (b)) | 1 |
| Offside Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |