| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Horn not working |1.7.3a| | 4 |
| Registration plate lamp issues | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies from front control (1.3.1a) | 1 |
| Drive chain excessively loose (6.2.1d) | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working FRONT AND REAR CONTROLS (4.3.1 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Upper Indicator tell tale not functioning |1.5.2| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Registration plate issues | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Nearside Rear Drive chain sprocket excessively loose Cush Drive Rubbers Excessively Worn (6.1.7 (c) (i)) | 1 |
| Offside Rear Brake pedal anti-slip provision missing Pedal; Rubber Missing (1.1.2 (c)) | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Front Lower Horn not working |1.7.3a| | 1 |
| Nearside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Rear Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Lower Rear position lamp missing |1.1.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Riders seat insecure duel seat loose |6.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on rear tail lamp not working |1.1.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |