| Most common failures | No# failures |
|---|
| Registration plate issues | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Horn missing |1.7.1| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Vehicle identification number not permanently displayed |6.3.5a| | 1 |
| Rear Parking brake not fitted on at least one wheel on a 3 wheeled vehicle |3.1.1| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Centre Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Registration plate lamp issues | 1 |
| Centre Upper Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp aim out of alignment | 1 |
| Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Offside Front Upper Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Upper Stop lamp remains on when the brake is released Sticking front brake switch |1.3.1e| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |