| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Rear Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Centre Front Headlamp main beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Centre Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Offside Front Brake cable has a significantly damaged outer casing. |3.2.A1b| | 1 |
| Offside Rear Brake cable has a significantly damaged outer casing. |3.2.A1b| | 1 |
| Front Built up wheel has a loose bolt/s |4.2.1c| | 1 |
| Horn missing |1.7.1| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Front Gradient brake test indicates a severely juddering brake |3.3.D1d| | 1 |
| Headlamp dipped beam affected by the operation of another lamp stays on when main beam operated |1.2.2c| | 1 |
| Stop lamp affected by the operation of another lamp stop light comes on when lights switched off |1.3.2| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Registration plate issues | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Brake cable badly frayed |3.2.A1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock on left lock |2.1.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake light dose not work when lights are on. |1.3.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Centre Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Centre Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Nearside Fuel system component insecure |7.2.1b| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Rear Rear reflector on motorcycle damaged and function impaired |1.4.2a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Horn control defective |1.7.2a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |