| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear wheel bearings are excessively tight |2.4.A.2c| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear suspension bush has excessive free play Swingarm bush |2.4.A2a|i|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Throttle operating incorrectly not shutting off when released |6.2.1f| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Registration plate issues | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Rear All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Direction indicator not working all |1.5.1c| | 1 |
| Nearside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| An item not tested |Manual| | 1 |
| Front Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |