| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Brake locking device insecure |3.2.A1e| | 2 |
| Registration plate issues | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride brake reaction bracket securing bolt locking device broken |6.2.1h| | 1 |
| Front Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Brake reaction bracket insecure |3.2.A1j| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front suspension assembly component cracked |2.3.1| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Offside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Lower Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Lower Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Fairings so located that it is likely to impede the steering front mudgaurd |2.1.2e| | 1 |
| Front Front shock absorber seal failed and leaking oil leaking onto disc |2.3.3| | 1 |
| Rear Rear suspension bearing has excessive free play swing arm bearing |2.4.A2a|i|| | 1 |
| Rear shock absorber has inadequate damping effect. both sides |2.4.A.3b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Fuel system component insecure tank |7.2.1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Exhaust mounting missing |7.1.1c| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Top yoke nut loose |6.2.1h| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Gradient brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.D1b| | 1 |
| Rear Fuel hose leaking |7.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Built up wheel has a loose bolt/s |4.2.1c| | 1 |
| Headlamp aim not tested high beam switch will not operate unable to check high beam (4.1.2 (b)) | 1 |
| Fuel cap ineffective cap seal badly cracked (6.1.3 (b) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |