| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Registration plate issues | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies faulty switch |1.3.1a| | 1 |
| Rear Stop lamp insecure |1.3.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick up wrong side |4.1.2 |a|| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake |1.3.1a| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure fairing (6.1.1 (b) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |