| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Registration plate issues | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| 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| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both sides (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Brake pipe likely to become detached or damaged (1.1.11 (d) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Drive belt worn to excess |6.2.1e| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Outer Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system Bracket cracked |7.1.1.c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Lower Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |