| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear 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| | 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 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Upper Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Offside Upper Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake drum|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake locking device insecure brake arm linkage |3.2.A1e| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. GLUED DURING TEST |2.1.1c| | 1 |
| Front Brake lever has inadequate reserve travel ADJUSTED DURING TEST |3.1.3b| | 1 |
| Horn missing |1.7.1| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 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 |
| Upper Front suspension assembly excessive wear or free play in a front suspension component head stock (2.3.4) | 1 |
| Nearside Steering lock stop maladjusted (2.1.3) | 1 |
| Offside Steering lock stop maladjusted (2.1.3) | 1 |
| Fuel cap sealing washer torn (7.2.2c) | 1 |