| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Registration plate lamp issues | 15 |
| Stop lamp remains on when the brakes are released | 8 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 2 |
| Registration plate issues | 2 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 2 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Rear brake switch not working (4.3.2 (a) (iii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Steering damper insecure too lose (2.1.4 (d) (i)) | 1 |
| Nearside Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play loose (2.2.2 (f) (i)) | 1 |
| Indicator switch inoperative button missing (4.4.2 (a) (ii)) | 1 |
| Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Shock absorber has a serious fluid leak Both (5.3.2 (b)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Suspension component pin or bush likely to become detached silent bush missing (5.3.4 (a) (ii)) | 1 |
| Offside All direction indicators not working Intermittent (4.4.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam lamp replaced (4.1.1 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn Missing (5.3.4 (a) (i)) | 1 |
| Central Lower Engine mounting/bracket missing swinging arm buffer missing (6.1.8 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Offside Rear Lower Exhaust system insecure Bolt missing (6.1.2 (a)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Brake lever pivot excessively worn (1.1.1 (b)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Front Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Horn not working stays on. (7.7 (a)) | 1 |
| Front Brake effort inadequate at a wheel fitted new pads (1.2.1 (a) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake cable insecure | 1 |