| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 5 |
| Fuel cap sealing washer missing |7.2.2c| | 4 |
| Registration plate issues | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Lower Direction indicator missing |1.5.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Direction indicator damaged and function impaired |1.5.3a| | 1 |
| An item not tested |Manual| | 1 |
| Front Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Offside Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |