| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 5 |
| Brake hose excessively deteriorated | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Direction indicator incorrect colour |1.5.1b| | 3 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 3 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Offside Rear Footrest missing |6.2.1a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Indicator switch insecure |1.5.4| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Nearside Front Direction indicator missing |1.5.1a| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Drive chain horseshoe locking device incorrectly fitted split link locking clip fitted incorrect way (6.1.7 (j) (i)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front Lower Motorcycle structure cracked |6.1.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Registration plate issues | 1 |
| Suspension arm pin or bush excessively worn swing arm pivot worn (5.3.4 (a) (i)) | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |