| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear wheel bearings are excessively tight |2.4.A.2c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Inner Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Registration plate issues | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Lower Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Brake pedal mounting insecure |3.1.2a| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |