| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Registration plate issues | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Upper Direction indicators not working |1.5.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |