| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Front wheel bearings are excessively rough |2.3.5b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear suspension component excessively bent |2.4.A.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Centre Front Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Forks excessively corroded |2.2.2 |d| |i|| | 1 |
| Centre Front Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Fairings insecure and likely to impede the steering Front mudguard |2.1.2e| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Vehicle identification number not legible |6.3.5a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Registration plate issues | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Centre Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |