| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Headlamp aim out of alignment | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Registration plate lamp issues | 4 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp not working handle bar control |4.3.1 |a| |ii|| | 1 |
| Brake lever insecure clamp bolt loose |1.1.2 |e| |i|| | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Nearside Front Horn not working (7.7 (a)) | 1 |
| Offside Rear Lower Stop lamp not working switch defective (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Stop lamp not working Rear pedal switch (4.3.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Registration plate issues | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |