| Most common failures | No# failures |
|---|
| Registration plate issues | 129 |
| Rear reflector on motorcycle missing |1.4.1| | 113 |
| Headlamp aim out of alignment | 79 |
| Registration plate lamp issues | 40 |
| Rear reflector missing (4.8.2 (a) (ii)) | 31 |
| 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| | 13 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 12 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 11 |
| Rear reflector missing |4.8.2 |a| |ii|| | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Centre 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 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 4 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Exhaust markings indicating not for road use or similar wording (7.1.4) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake fluid contaminated (1.8 (a)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |