| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Windscreen wiper does not clear the windscreen effectively | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 7 |
| Rear parking brake recording little or no effort | 7 |
| Brakes imbalanced across an axle | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Horn not working |1.6.2a| | 3 |
| Offside Front Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Headlamp not working on main beam |1.7.5a| | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Wheel insecure |4.2.A.1c| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Battery insecure |1.9.1| | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Track rod end ball joint dust cover missing |2.2.C.1c| | 1 |
| Offside Track rod end ball joint dust cover missing |2.2.C.1c| | 1 |
| Steering wheel retaining device insecure |2.1.6| | 1 |
| Offside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front brake caliper securing device missing |3.5.1j| | 1 |
| Nearside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Front Sidecar direction indicator not working |1.5.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Front Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Offside Rear Shock absorber detached |2.7.2b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Emissions not tested not test due to engine missfiring |7.3.A.1| | 1 |
| Offside Rear Wheel stud|s| missing |4.2.A.1e| | 1 |
| Offside Front Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Windscreen has damage | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Steering wheel locking device insecure |2.1.6| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear Fuel pipe insecure touching exhaust |7.2.1| | 1 |
| Front Fuel hose insecure engine bay |7.2.1| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Offside Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Steering column top mounting bracket insecure |2.1.2d| | 1 |
| Nearside Rear wheel cylinder locking device insecure |3.5.1l| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Indicator switch missing |1.4.A.1| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Front passenger seat insecure |6.2.3| | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Rear Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 1 |
| Nearside Front Shock absorber insecure |2.7.2b| | 1 |
| Offside Front Shock absorber insecure |2.7.2b| | 1 |
| Nearside Front Anti-roll bar locating pin insecure |2.4.G.3a| | 1 |
| Rear brake application uneven | 1 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt ball joint rubber |5.3.4 |b| |ii|| | 1 |
| Offside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting |6.2.2 |d| |i|| | 1 |
| Nearside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting AS MARKED |6.2.2 |d| |i|| | 1 |
| Nearside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting |6.2.2 |d| |i|| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Inner Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Upper 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 Upper 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 Upper Suspension arm has excessive play in a ball joint |2.4.G.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 Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Offside Rear front brake binding |3.7.B.1| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Steering lock stop loose |2.2.D.2c| | 1 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Brake hydraulic reservoir leaking hydraulic fluid |3.6.A.1| | 1 |
| Steering wheel retaining device missing |2.1.6| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Windscreen wiper not working |3.4 |a|| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Offside Front Axle swivel joint insecure in a stub axle |2.5.A.3b| | 1 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt inner end off (2.1.3 (g) (ii)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Steering column has excessive movement up and down (2.2.2 (a)) | 1 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |