| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Registration plate lamp issues | 10 |
| Registration plate issues | 8 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Nearside Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 4 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Headlamp incorrect colour |1.2.1| | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Front position lamp incorrect colour |1.1.2a| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Centre Rear fog lamp not working |1.3.2b| | 2 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Nearside Front position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 1 |
| Offside Front position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 1 |
| Offside Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Position lamp switch missing |1.1.A.1| | 1 |
| Nearside Vehicle structure has a fracture which adversely affects braking or steering |6.1.A.1| | 1 |
| Rear Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear wheel bearing has excessive play |2.6.2| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Plate brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both sides (5.3.2 (b)) | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Hydraulic brake control feels spongy rear |3.1.4a| | 1 |
| Offside Front suspension assembly component loose |2.3.1| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Anti dive unit leaking! (5.3.2 (b)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Front Indicator switch insecure |1.5.4| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort excess pedal travel |air in system?| |3.3.A1c| | 1 |
| Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Exhaust system insecure exhaust clamps corroded and missing (6.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Sidecar front position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside 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 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Offside Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Horn not working |1.6.2a| | 1 |
| Horn emits two or more alternating tones |1.6.2d| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 1 |
| Rear Lower Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |