| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 6 |
| Registration plate issues | 6 |
| Riders seat insecure |6.2.1a| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Front suspension assembly component loose |2.3.1| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure stand |6.1.1 |b| |i|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 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 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Floor brake test indicates a severely juddering brake |3.3C2d.| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Brake drum|s| insecure |3.2.A1g| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Brake lever at drum |6.2.1h| | 1 |
| Throttle operating incorrectly Sticking |6.2.1f| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |