| Most common failures | No# failures |
|---|
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 9 |
| Horn not working |1.7.3a| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 4 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 3 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 3 |
| Headlamp aim out of alignment | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Fuel pipe leaking |7.2.1a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 2 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Steering damper ineffective |2.1.2d| | 1 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Front Lower Front suspension assembly component loose |2.3.1| | 1 |
| Offside Front Lower Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear suspension bush has excessive free play rear arm |2.4.A2a|i|| | 1 |
| Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Inner Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Lower Steering linkage has excessive free play |2.2.2| | 1 |