| Most common failures | No# failures |
|---|
| Registration plate issues | 65 |
| Rear reflector missing (4.8.2 (a) (ii)) | 35 |
| Headlamp aim out of alignment | 29 |
| Registration plate lamp issues | 20 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 8 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock switch gear hitting tank before lock stop contact (2.1.4 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Headlamp lens seriously defective |4.1.1 |b| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Direction indicator not working Bulb loose - fixed |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Horn not working |7.7 |a| |ii|| | 1 |
| Front Stop lamp not working Front brake lever not operating stop lamp (4.3.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Forks in such a condition that steering control is adversely affected |2.2.2 |d| |ii|| | 1 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Drive belt excessively loose |6.1.7 |c| |i|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |