| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 54 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 23 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 22 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 18 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 16 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 14 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 7 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Registration plate lamp issues | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 5 |
| Horn not working |1.7.3a| | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Registration plate issues | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 3 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Brake lagging in operation |1.2.1 |d|| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |