| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 32 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Registration plate lamp issues | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Registration plate issues | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Steering head bearings has excessive wear or free play (2.2.2 (g)) | 1 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Rear Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Stop lamp(s) switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Handlebar insecure to the extent that steering is adversely affected |2.2.1 |d| |ii|| | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Handlebar deformed to the extent that steering is adversely affected (2.2.1 (e) (ii)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Front Lower Body component damaged and likely to cause injury (6.2.1 (a) (i)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Parking brake lever inoperative (1.1.6 (d)) | 1 |
| Central Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Obligatory mirror insecure (3.3 (b) (ii)) | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Rear Parking brake lever is not capable of being maintained in operation by direct mechanical action only (1.1.6 (f)) | 1 |
| Nearside Hand operated control valve malfunctioning (1.1.5 (d)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Central Rear Sub-frame pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Service brake has no recorded effort at a wheel SECONDARY BRAKING (1.2.1 (a) (ii)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Exhaust system insecure BOX (6.1.2 (a)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake cable insecure | 1 |
| Offside Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Suspension arm insecure and impairing directional stability (5.3.3 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Nearside Obligatory mirror missing (3.3 (a)) | 1 |
| Offside Obligatory mirror missing (3.3 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn engine (5.3.4 (a) (i)) | 1 |
| Rear Shock absorbers has negligible damping effect both (5.3.2 (d)) | 1 |
| Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Fork yoke insecure (2.2.2 (f) (i)) | 1 |