| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Registration plate issues | 5 |
| Registration plate lamp issues | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars handle bars positioned to far back |2.1.2b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Stop lamp not working On front brake control (4.3.1 (a) (ii)) | 1 |
| Rear Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Stop lamp not working Front stop light switch not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp not working foot brake control (4.3.1 (a) (ii)) | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| All direction indicators obviously incorrectly positioned no rear separation (4.4.3 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Direction indicators flashing more than 120 times per minute All |1.5.1c| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Handlebar grip insecure to handlebar left hand side |2.2.1 |d| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride security pins missing from handlebar clamps |6.2.1h| | 1 |
| Stop lamp not working BRACKET BENT REPAIRED AND REAJUSTED |4.3.1 |a| |ii|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Nearside Front Horn not working |7.7 |a| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Brake lever (4.3.2 (a) (iii)) | 1 |
| Nearside Footrest insecure footpeg loose (6.2.12 (a)) | 1 |
| Offside Footrest insecure footpeg loose (6.2.12 (a)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |