| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Direction indicators not working |1.5.1c| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Registration plate issues | 3 |
| Horn not working |1.7.3a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear suspension component loose |2.4.A.1a| | 3 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Front Upper Horn not working |1.7.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Upper Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Upper Direction indicator not working |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Upper Fuel cap sealing washer missing |7.2.2c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Fuel system component leaking carb overflow pipes (6.1.3 (b) (i)) | 1 |
| Rear Shock absorber has a serious fluid leak Right shock absorber (5.3.2 (b)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp On selecting off side indicator both front indicators light up! (4.4.3 (b)) | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Direction indicator adversely affected by the operation of another lamp Both front indicators nearside & offside working at the same time! (4.4.3 (b)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |