| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate issues | 8 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Registration plate lamp issues | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake linkage has restricted free movement (1.1.15 (e)) | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Rear Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Wheel spindle loose Spacer missing (5.2.1 (c) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel SPONGY (1.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected holding stiff (6.2.7 (a) (ii)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Central Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working not operating on either hand brake or foot brake |4.3.1 |a| |ii|| | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |