| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Brake locking device insecure |3.2.A1e| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Rear suspension component loose Swingarm play excessive |2.4.A.1a| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Centre Front Upper Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Front Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake lever mounting insecure |3.1.2a| | 1 |
| Brake cable has a significantly damaged outer casing. |3.2.A1b| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Decelerometer brake test the less effective brake control does not achieve an efficiency of 25%. |3.3.E1b| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |