| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Registration plate issues | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Horn sounds harsh or grating |1.7.3c| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake component insecure rear brake actuation rod adjuster nut insecure (1.1.21 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Brake grabbing severely 21KgF |1.2.1 |c|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp not working front switch operation |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working on rear brake control (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |