| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 4 |
| Headlamp aim out of alignment | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 3 |
| Horn not working (7.7 (a)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Stop lamp not working brake switch adjusted at rear brake pedal (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment sticking (1.1.15 (f)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Motorcycle structure is deformed and structural rigidity is significantly reduced swing arm has excessive play. (6.1.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Lower Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Brake component insecure Stay/brace bar to locate rear brake drum loose & not located over shouldered bolt correctly Loosen nut, locate bar correctly & tighten & fit split pin (1.1.21 (c)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |