| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp aim out of alignment | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Upper Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Offside Rear Rear suspension component loose lock nut |2.4.A.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Horn missing |1.7.1| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement leaking fuel |7.2.2b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |