| Most common failures | No# failures |
|---|
| Registration plate issues | 31 |
| Headlamp aim out of alignment | 15 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Brake pipe excessively corroded | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Front wheel bearings are excessively rough (2.3.5b) | 1 |
| Brake pedal has inadequate reserve travel (3.1.3b) | 1 |
| Rear Brake component leaking fluid (3.2.B4) | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort brake not working( fluid loss) (3.3.A1c) | 1 |
| Brake cylinder cracked (1.1.16 (a) (i)) | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake cylinder severely corroded |3.2.B1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Stop lamp not working Switch |4.3.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Direction indicator not working OSR (4.4.1 (a) (ii)) | 1 |
| Brake disc|s| excessively scored Rear disc scored to excess |3.2.A1l| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |