| Most common failures | No# failures |
|---|
| Registration plate issues | 16 |
| Rear reflector missing (4.8.2 (a) (ii)) | 15 |
| Headlamp aim out of alignment | 10 |
| Registration plate lamp issues | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 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)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp aim not tested bulb not located! (4.1.2 (b)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Nearside Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Direction indicator missing (4.4.1 (a) (ii)) | 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 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Direction indicator obviously incorrectly positioned both |4.4.3 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Upper Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Exhaust Noise Excessive (8.1.1 (a)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb incorrectly fitted. (4.1.2 (c)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork oil seal failed (5.3.2 (b)) | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing added as required (4.8.2 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Central Rear Position lamp not working |4.2.1 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |