| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Horn not working |1.7.3a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Registration plate issues | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |