| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 13 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Registration plate issues | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Brake pipe excessively corroded | 4 |
| Headlamp aim out of alignment | 4 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 3 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Horn missing |1.7.1| | 1 |
| Front Brake caliper insecure fixing pin loose |1.1.16 |c| |i|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| 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 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Suspension arm synthetic bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Trailing arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Trailing arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Rear Body has a sharp edge caused by corrosion Wheel arch |6.1.C.1| | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Offside Rear Anti-roll bar has excessive play in a ball joint Link |2.4.G.2| | 1 |
| Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Offside Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Nearside Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel spoke excessively loose various (5.2.2 (d)) | 1 |
| Front Wheel has loose rivet/s or bolts various (5.2.2 (e) (i)) | 1 |
| Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Windscreen has damage | 1 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Offside Rear fog lamp excessively deteriorated so that it is not visible from a reasonable distance |1.3.2d| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |