| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 7 |
| Headlamp aim out of alignment | 6 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Registration plate issues | 2 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside 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 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Centre Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |