| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Horn not working |1.7.3a| | 3 |
| Headlamp aim out of alignment | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Nearside Footrest insecure |6.2.1a| | 2 |
| Nearside Position lamp switch faulty |1.1.4a| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Centre Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Nearside Outer Front Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |