| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 68 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 26 |
| Registration plate issues | 24 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 23 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 23 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 14 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Drive chain excessively loose |6.2.1d| | 12 |
| Horn not working |1.7.3a| | 11 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Headlamp aim beam image kick up to the offside |1.6| | 7 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 7 |
| Rear Brake disc|s| cracked |3.2.A1g| | 7 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Offside Front Direction indicator not working |1.5.1c| | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Brake disc contaminated (1.1.14 (b)) | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Drive chain excessively tight |6.2.1d| | 4 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 4 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Handlebar deformed |2.1.1b| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 3 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Footrest insecure |6.2.1a| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Brake hose damaged | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Stop lamp missing |1.3.3a| | 2 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear suspension component cracked |2.4.A.1a| | 2 |