| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 123 |
| Registration plate lamp issues | 47 |
| Rear reflector missing (4.8.2 (a) (ii)) | 45 |
| Registration plate issues | 41 |
| Rear reflector missing |4.8.2 |a| |ii|| | 18 |
| Horn not working (7.7 (a)) | 14 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Horn not working |7.7 |a| |ii|| | 7 |
| 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)) | 7 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 3 |
| Rear Footrest missing (6.2.12 (a)) | 3 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear Stop lamp not working (4.3.1 (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|| | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Rear All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 2 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |