| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Registration plate issues | 3 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Direction indicators affected by the operation of another lamp requires replacement battery |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Suspension component insecure and control of the motorcycle impaired front suspension sticking (5.3.3 (a) (ii)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake (4.3.2 (a) (iii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Centre Rear Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Lower Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |