| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Registration plate issues | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Riders seat insecure |6.2.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake lever mounting cracked |3.1.2c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake pedal has insufficient reserve travel pedal goes to floor. |1.1.2 |a|| | 1 |
| Direction indicator not working both rear |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 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 wheel bearings are excessively tight |2.4.A.2c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Rear Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies stop lamp switch |1.3.1a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp aim beam image kick up to the offside (1.6) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Steering operation restricted in free movement from lock to lock front brake hose (2.1.4 (c)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |