| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Centre Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Upper Footrest insecure |6.2.1a| | 1 |
| Centre Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking insecure passenger foot rest hanger |6.1.1c| | 1 |
| Nearside Footrest missing Passenger |6.2.1a| | 1 |
| Offside Footrest missing Passenger ! |6.2.1a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Registration plate issues | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded caliper binding excessively, wheel not spinning freely |3.2.A1h| | 1 |
| Front Wheel has an excessively distorted bead rim. buckled front wheel rim to excess |4.2.2| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Wheel alignment incorrect which adversely affects the steering frame and/or front forks are out of alignment, steering pulls sharply to offside. |2.5.1| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded brake caliper binding excessively, restricting front wheel rotation |3.2.A1h| | 1 |
| Front wheel bearings are excessively tight bearings and trueness of wheel rim could not be checked due to binding brake caliper |2.3.5b| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |