| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Registration plate issues | 13 |
| Headlamp aim out of alignment | 11 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate lamp issues | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front shock absorber seal failed and leaking oil right fork seal |2.3.3| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies rear switch not working |1.3.1a| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Direction indicator incorrect colour both excessively faded showing white light |1.5.1b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Nearside Front Footrest missing |6.2.1a| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Upper Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing FITTED AT STATION |1.4.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Nearside Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Chain guard insecure (6.1.7 (i)) | 1 |
| Central Front Position lamp showing red light to the front (4.2.3 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| All direction indicators obviously incorrectly positioned 65mm gap (4.4.3 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |