| Most common failures | No# failures |
|---|
| Direction indicators not working |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp aim out of alignment | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Centre Drive chain worn to excess |6.2.1e| | 1 |
| Centre Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride locking pin missing from rear wheel spindle |6.2.1h| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride iocking pin missing from rear wheel spindle |6.2.1h| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Registration plate issues | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |