| Most common failures | No# failures |
|---|
| Registration plate issues | 25 |
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Headlamp aim out of alignment | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 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| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Riders seat insecure |6.2.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Registration plate lamp issues | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear 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| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| All direction indicators obviously incorrectly positioned rear indicators not 180mm apart |4.4.3 |a|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Direction indicator not working both rear |4.4.1 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Drive belt excessively loose (6.1.7 (c) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |