| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Offside Handlebar handgrip not secure to handlebars. |9.2.1a| | 4 |
| Registration plate lamp issues | 4 |
| Horn not working |1.6.2a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |9.2.1a| | 4 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Centre Stop lamp not working |1.2.1b| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Front position lamp|s| missing both |1.1.A.3a| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Vehicle structure is fractured and structural rigidity is significantly reduced |6.1.1 |a| |i|| | 1 |
| Nearside Front Outer Steering locking device missing split pin missing |2.1.3 |d|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush inner wish bone |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush inner wish bone |2.4.G.2| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Front Hazard warning lamps inoperative both |1.4.B.1b| | 1 |
| Front Direction indicator not working both |1.4.A.2c| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |