| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Registration plate issues | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Horn control not functioning. |1.7.2b| | 1 |
| Nearside Footrest insecure |6.2.12 |a|| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock mirrors fouling tank |2.1.4 |b|| | 1 |
| Rear Stop lamp not working stop tail bulb not working |4.3.1 |a| |ii|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Lower Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Upper Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive belt worn to excess |6.2.1e| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Throttle operating incorrectly does not return to closed position when released (6.2.7 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |