| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 23 |
| Registration plate issues | 22 |
| Headlamp aim out of alignment | 10 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| 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 |
| Registration plate lamp issues | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment lock nut loose |1.1.15 |f|| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Steering lock stop maladjusted |2.1.3| | 1 |
| Rear Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Central Rear Upper Rear reflector on motorcycle missing missing |1.4.1| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Centre Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Exhaust markings indicating not for road use or similar wording Exhausts stamped ONLY FOR RACE USE (6.1.2 (c)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |