| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Headlamp aim out of alignment | 10 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Registration plate issues | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Exhaust has a major leak of exhaust gases Exhaust holes and blowing in various places in silencer box (6.1.2 (a)) | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Front Steering lock stop missing |2.1.3| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| An item not tested |Manual| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |