| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Registration plate issues | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Plate brake test No brake control achieves an efficiency of 30%. |3.3.B2a| | 2 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 2 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Gradient brake test indicates a severely juddering brake |3.3.D1d| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Brake pedal attachment screws loose |3.1.2b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Built up wheel has a loose bolt/s |4.2.1c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Front Front suspension assembly component loose |2.3.1| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Lower Front suspension assembly component loose shock absorber mounting |2.3.1| | 1 |
| Plate brake test Neither brake control achieves an efficiency of 25% |3.3.B2b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Registration plate lamp issues | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front suspension fouling which affects the movement of the front suspension. cables |2.3.6a| | 1 |
| Rear Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front wheel spindle securing nut locking device insecure (2.3.5a) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Front Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |