| Most common failures | No# failures |
|---|
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Headlamp aim out of alignment | 2 |
| Brake hose excessively deteriorated | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Offside Rear Suspension attachment bracket/mounting insecure wheel ajuster broken |5.3.3 |a| |i|| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Registration plate issues | 1 |
| Rear suspension fouling which affects the movement of the rear suspension fowling on exhaust silencer |2.4.A.3a| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension exhaust fowling on swing arm |2.4.A.3a| | 1 |
| Fuel system component leaking carb leaking fuel |7.2.1a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Horn missing |1.7.1| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Nearside Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Offside Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |