| Most common failures | No# failures |
|---|
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Registration plate issues | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Headlamp aim out of alignment | 2 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Oil Seal leaking (5.3.2 (b)) | 1 |
| Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |