| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Registration plate issues | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Registration plate lamp issues | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |