| Most common failures | No# failures |
|---|
| Registration plate issues | 32 |
| Headlamp aim out of alignment | 32 |
| Rear reflector on motorcycle missing |1.4.1| | 30 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 16 |
| Front wheel bearings are excessively rough |2.3.5b| | 7 |
| Horn not working |1.7.3a| | 7 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Registration plate lamp issues | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Headlamp insecure Re Fitted. |1.2.3b| | 1 |
| Rear reflector on motorcycle missing New reflector fitted at test Station. |1.4.1| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive belt excessively tight |6.2.1d| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front wheel bearings are excessively rough (2.3.5b) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn missing |1.7.1| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake fluid not visible |1.1.10 |d| |iii|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Drive belt worn to excess |6.2.1e| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Centre Front Upper Horn not working |1.7.3a| | 1 |
| Centre Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |