| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Brake hose excessively deteriorated | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear brake binding | 2 |
| Registration plate issues | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Footrest insecure |6.2.12 |a|| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Front suspension assembly component loose |9.2.5b| | 1 |
| Parking brake lever inappropriately repaired |3.1.8| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| front brake juddering severely |3.7.A.2b| | 1 |
| Steering system fouling |2.2.D.2a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Steering lock stop insecurely locked |2.2.D.2c| | 1 |
| Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear Brake cable has restricted free movement |3.5.1k| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Centre Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Upper Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Brake component leaking fluid |3.2.B4| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |