| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Registration plate issues | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |