| Most common failures | No# failures |
|---|
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Headlamp aim out of alignment | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Front Direction indicator not working |1.5.1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 2 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Brake disc|s| insecure |3.2.A1g| | 1 |
| Offside Brake disc|s| insecure |3.2.A1g| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Registration plate lamp issues | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Registration plate issues | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Riders seat insecure |6.2.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front suspension assembly component excessively corroded. |2.3.1| | 1 |