| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Upper Fork yoke modification unsafe doesnt clamp forks |2.2.2 |e|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal |5.3.2 |b|| | 1 |
| Upper Engine mounting/bracket bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Front Motorcycle structure is fractured and structural rigidity is significantly reduced mud gaurd |6.1.1 |a| |i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain link clip fitted wrong way round |6.2.1h| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Registration plate issues | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |