| Most common failures | No# failures |
|---|
| Rear brake binding | 21 |
| Headlamp aim out of alignment | 20 |
| Windscreen wiper does not clear the windscreen effectively | 15 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Brake pipe excessively corroded | 11 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 8 |
| Offside Stop lamp not working |1.2.1b| | 8 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Parking brake: efficiency below requirements |3.7.B.7| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Registration plate lamp issues | 6 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Horn not working |1.6.2a| | 5 |
| Battery insecure |1.9.1| | 5 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Brakes imbalanced across an axle | 4 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 4 |
| Brake hose excessively deteriorated | 4 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Rear brake application uneven | 3 |
| Brake pedal spongy |3.3.B.1b| | 3 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Emissions not tested |7.0| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Offside Outer Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Rear Exhaust mounting missing |7.1.1b| | 2 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Indicator tell tale inoperative |1.4.A.2a| | 2 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Brake hose leaking fluid |3.2.B4| | 1 |
| Offside Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Nearside Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Macpherson strut which is adjustable, locking device missing |2.4.G.2| | 1 |
| Nearside Front Suspension component mounting prescribed area is fractured |2.4.A.3| | 1 |
| Nearside Front Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Rear Fuel pipe leaking |7.2.3| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Offside Outer Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Inner Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Obligatory mirror insecure |8.1.1| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Front Fuel pipe insecure |7.2.1| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Rear Fuel hose insecure |7.2.1| | 1 |
| Nearside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Offside Rear Drive shaft which forms part of the suspension coupling gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Nearside Front Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Rear Fuel hose leaking |7.2.3| | 1 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Inner Seat belt anchorage prescribed area is excessively corroded floor |5.2.6| | 1 |
| Fuel system component leaking filter |7.2.3| | 1 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Outer Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Windscreen washer not working | 1 |
| Nearside Outer Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Brake pedal creeps down under servo assistance and touches the floor |3.3.C.3| | 1 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Offside Rear Obligatory mirror missing |8.1.1| | 1 |
| Nearside Fuel system component leaking |7.2.3| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Front Lower Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Power steering pump leaking from a failed joint |2.3.3b| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Inner Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| passenger door does not latch securely closed |6.2.B.1a| | 1 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Offside Front Ball joint has excessive play ball joint on intermediate drop arm |2.2.B.1f| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded inner arch |2.4.A.3| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded above rear trailing arm mount |2.4.A.3| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Registration plate issues | 1 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front Front suspension locking device missing |2.5.A.4| | 1 |
| Front brake excessively fluctuating | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Suspension arm severely distorted |2.4.G.1| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Front brake application uneven | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Offside Front Windscreen wiper blade missing |8.2.2| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Windscreen wiper blade insecure | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Offside Front Steering system has a road wheel fouling a part of the vehicle |2.2.D.2a| | 1 |
| Offside Front Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Rear Fuel pipe leaking |7.2.3| | 1 |
| Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Direction indicator not working |1.4.A.2c| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 1 |
| Offside Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Passenger`s seat insecure |6.2.A.1| | 1 |
| Offside Inner Front Steering retaining device missing |2.2.C.1g| | 1 |
| Front Passenger`s seat insecure |6.2.A.1| | 1 |
| Offside Front Brake hose leaking |3.6.A.1| | 1 |
| Fuel pipe leaking engine bay |7.2.3| | 1 |