| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Registration plate issues | 4 |
| Registration plate lamp issues | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Handlebar excessively deformed |2.2.1 |c| |i|| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Suspension attachment bracket/mounting insecure Top shock bolt loose (5.3.3 (a) (i)) | 1 |
| Fuel tank leaking Tank cracked at fuel tap (6.1.3 (b) (i)) | 1 |
| Central Front Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Headlamp switch faulty High and Low Beam wrong way round!. |1.2.4| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp not working Both. (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain worn to excess dangerously loose |6.2.1e| | 1 |
| Wheel alignment incorrect which adversely affects the steering wheels out of line |2.5.1| | 1 |
| Front Brake master cylinder insecure |1.1.10 |c|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Central Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |