| Most common failures | No# failures |
|---|
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 7 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 3 |
| Headlamp aim out of alignment | 2 |
| Front Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Rear suspension component loose |2.4.A.1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Registration plate issues | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Offside Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |