| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 63 |
| Rear reflector missing (4.8.2 (a) (ii)) | 19 |
| Registration plate issues | 15 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 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 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected Wrong size risers fitted (2.2.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly Sticking (6.2.7 (a) (i)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Front Upper Horn not working (7.7 (a)) | 1 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Offside Front Brake pedal is bent and the brake cannot be readily applied Front brake lever hitting mirror (1.1.2 (d)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake master cylinder leaking OVER FILLED (1.1.10 (b) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Pillion seat with a defective supporting structure (6.2.6 (a) (i)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (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 |