| Most common failures | No# failures |
|---|
| Stop lamp remains on when the brakes are released | 54 |
| Headlamp aim out of alignment | 24 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 11 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 9 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Registration plate issues | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Horn not working (7.7 (a)) | 4 |
| Riders seat insecure (6.2.5 (a) (ii)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 2 |
| Offside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Brake lever has restricted free movement (1.1.15 (e)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Fuel cap missing (6.1.3 (b) (i)) | 2 |
| Registration plate lamp issues | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Wheel has loose rivet/s or bolts (5.2.2 (e) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Stop lamp not working brake switch replaced (4.3.1 (a) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Steering linkage component deformed to the extent that steering is affected (2.1.3 (c) (ii)) | 1 |
| Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Steering linkage modified such that the steering is adversely affected (2.1.3 (f) (ii)) | 1 |
| Forks fractured (2.2.2 (d) (i)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Brake component insecure (1.1.21 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect Both (5.3.2 (b)) | 1 |
| Central Motorcycle structure is so deformed it is likely to adversely affect braking or steering Centre stand deformed not returning to upright position (6.1.1 (a) (ii)) | 1 |
| Steering operation impeded by a leg shield (2.1.4 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls REAR BRAKE DOES NOT OPERATE BRAKE LIGHT. (4.3.2 (a) (iii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Front Wheel spoke excessively bent (5.2.2 (d)) | 1 |
| Central Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak Both Shock Absorbers have Major leak (5.3.2 (b)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp not working control 1 (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel control 2 (1.1.2 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake switch (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Near side Lever. (4.3.2 (a) (iii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Riders seat insecure Seat does not lock. (6.2.5 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front screen excessively damaged (6.1.1 (b) (i)) | 1 |
| Front Headlamp missing (4.1.1 (a) (ii)) | 1 |
| Brake performance unable to be tested rear pads scoring disc (1.2.1 (g)) | 1 |