| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Horn not working |1.7.3a| | 6 |
| Headlamp aim out of alignment | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Fuel cap mounting flange/sealing method defective (7.2.2c) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 2 |
| Nearside Rear Lower Suspension component pin or bush excessively worn bush (5.3.4 (a) (i)) | 1 |
| Offside Rear Upper Suspension component pin or bush excessively worn bush (5.3.4 (a) (i)) | 1 |
| Offside Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Handlebar handgrip missing |2.1.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock revs up when on r/h lock |2.1.4| | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Offside Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Fuel tank leaking |6.1.3 |b| |i|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Rear Upper Suspension component pin or bush excessively worn bush (5.3.4 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Nearside Front Suspension component attachment bracket/mounting damaged and seriously weakened F/N/S wheel mounting U bracket cracked. (5.3.3 (b) (i)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Throttle operating incorrectly (6.2.1f) | 1 |
| Drive chain excessively loose (6.2.1d) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) | 1 |
| Headlamp aim not tested (1.6) | 1 |
| Rear Position lamp light intensity significantly reduced position lamp flickers constantly,sometimes extremely dull (4.2.3 (a) (ii)) | 1 |