| Most common failures | No# failures |
|---|
| Stop lamp remains on when the brakes are released | 19 |
| Headlamp aim out of alignment | 18 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 17 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 9 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 8 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 4 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Registration plate issues | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Stop lamp not working rear brake switch replaced (4.3.1 (a) (ii)) | 1 |
| Rear Brake caliper inadequately mounted REAR MOUNTING BOLT LOOSE/TOO LONG (1.1.16 (c) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Stop lamp not working control 1 and 2 (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls front brake switch not working correctly / does not stay on when lever is pressed (4.3.2 (a) (iii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Nearside Front Brake fluid contaminated (1.8 (a)) | 1 |
| Offside Front Brake fluid contaminated (1.8 (a)) | 1 |
| Offside Front Handlebar grip insecure to handlebar the throttle grip does not return when accelerating (2.2.1 (d) (ii)) | 1 |
| Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Shock absorber has negligible damping effect no free movement (5.3.2 (b)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp not working control1 (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working control2 (4.3.1 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls REAR BRAKE SWITCH (4.3.2 (a) (iii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged cracked (5.2.3 (j)) | 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 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Upper Suspension arm attachment bracket/mounting insecure bolt missing from top mount of bolt on swinging arm side plate (5.3.3 (a) (i)) | 1 |
| Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake disc fractured REAR DISK (1.1.14 (a) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |