| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected opens on r/h lock & slightly on l/h lock (6.2.7 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen led type bulb fitted, no clear beam image (4.1.2 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Fuel tank leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect led bulb fitted incompatible with lamp unit (4.1.2 (c)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Drive chain excessively loose Adjusted (6.1.7 (c) (i)) | 1 |
| Rear Brake effort inadequate at a wheel rear brake hardly works on roller & floor test - bottoms out before working properly (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Suspension component corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Offside Front Suspension component corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Horn not working only works when steering turned to the left considerably - if straight ahead and when turning to right, horn doesnt work at all (7.7 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |