| Most common failures | No# failures |
|---|
| Stop lamp remains on when the brakes are released | 30 |
| Registration plate issues | 24 |
| Headlamp aim out of alignment | 20 |
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate lamp issues | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 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 Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear reflector missing new reflector fitted (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected too tight loosened |2.2.2 |f| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn rear swingarm (5.3.4 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake pedal pivot excessively tight |1.1.1 |a|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Drive belt so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Stop lamp remains on when the brake is released front brake switch staying on when brake is released |1.3.1e| | 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 incorrect colour (4.4.3 (a)) | 1 |