| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Brake pedal cannot be released smoothly Pivot seized. |3.1.3d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Horn missing |1.7.1| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Centre Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake hose damaged | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Offside Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front position lamp does not face the front |1.1.1d| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Exhaust mounting does not fully support the exhaust system insecure |7.1.1.c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Suspension component pin or bush excessively worn swinging arm pivot. (5.3.4 (a) (i)) | 1 |
| Suspension arm pin or bush excessively worn Swing arm front mounting (5.3.4 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |