| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Registration plate issues | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front switch inoperative (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake excessively binding front brake (both discs) (1.2.1 (f)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Registration plate lamp issues | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Footrest insecure Bracket Fractured (6.2.12 (a)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected sticks on when applied (1.1.2 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front lever (4.3.2 (a) (iii)) | 1 |
| Rear Drive chain excessively loose drive chain incorrectly adjusted causing mis alignment of wheels adjusted chain correctly |6.2.1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |