| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 10 |
| 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| | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| 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| | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake component modification unsafe disc lock nuts to short ineffective (1.1.21 (d) (i)) | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort Front disc worped (1.2.1 (e)) | 1 |
| 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)) | 1 |
| Nearside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear control (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working Front switch |4.3.1 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake disc insecure moving on spindle to hub (1.1.14 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |