| Most common failures | No# failures |
|---|
| Registration plate issues | 16 |
| Headlamp aim out of alignment | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Horn not working |1.7.3a| | 4 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Registration plate lamp issues | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Rear wheel bearings are excessively tight |2.4.A.2c| | 1 |
| Offside Front Upper Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector on motorcycle missing reflective tape not acceptable |1.4.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Vehicle identification number not legible (0.2 (b)) | 1 |
| Headlamp aim headlamp deteriorated and function impaired no beam image |1.2.3a| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Footrest insecure |6.2.12 |a|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Stop lamp does not emit a steady light not working off front or rear control |1.3.1b| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Position lamp missing |4.2.1 |a|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm bearings excessive play (5.3.4 (a) (i)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle dirty and function impaired |1.4.2a| | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride front calipar r clip missing |6.2.1h| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up front bearings worn to excess plus very rumbly (5.1.3 (b) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up rear wheel bearing have excessive free play (5.1.3 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation both front and rear switches not allowing the light to work at times (4.3.2 (a) (ii)) | 1 |
| Position lamp switch does not operate in accordance with the requirements both front and rear lamps not always illuminating when switched on (4.2.2 (a)) | 1 |
| Horn not working not functioning when operated at time the lights are not working (7.7 (a)) | 1 |
| Front Position lamp switch does not operate in accordance with the requirements high/Low beam out of adjustment plus incorrect way around (4.2.2 (a)) | 1 |