| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 11 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 7 |
| Headlamp aim out of alignment | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Horn not working |1.7.3a| | 4 |
| Registration plate issues | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Offside Steering lock stop ineffective |2.1.3| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering linkage has excessive free play |2.2.2| | 2 |
| Fuel cap sealing washer missing |7.2.2c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear wheel insecure |4.2.3b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp main 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 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Front Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. fork pivot seized |2.3.6b| | 1 |
| Front suspension has inadequate damping effect. unable to test front shock>pivot siezed |2.3.6c| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Brake component is fractured |3.1.5| | 1 |
| Front Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Rear Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Offside Motorcycle structure cracked |6.1.1a| | 1 |
| Centre Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Brake lever mounting cracked |3.1.2c| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Central Front Upper Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Central Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Front Lower Horn control not functioning. |1.7.2b| | 1 |
| Central Rear Upper Riders seat insecure |6.2.1a| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Wheel fixing missing (multiple fixings) spindle split pin (5.2.1 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Exhaust silencer insecure rear mount missing (8.1.1 (b) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |