| Most common failures | No# failures |
|---|
| Registration plate issues | 23 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Horn not working |1.7.3a| | 7 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Horn missing |1.7.1| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Horn not working |1.7.3a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies not working |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort not working |3.3.A1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Stop lamp adversely affected by the operation of another lamp stop lamp and tail light the same (4.3.3 (b)) | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear brake switch inop (4.3.2 (a) (iii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Headlamp missing |1.2.3a| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |