| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 34 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Registration plate lamp issues | 5 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Registration plate issues | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected loose grip (6.2.7 (a) (ii)) | 1 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy NOTCHY (2.2.2 (f) (i)) | 1 |
| Nearside Front Brake disc fractured Multiple fractures on the disc (1.1.14 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Headlamp light intensity severely reduced replaced headlight bulb (4.1.4 (a)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp not working on dipped beam replaced bulb (4.1.1 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel adjusted (1.1.2 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Upper Headlamp not working on main beam bulb failed (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |