| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 2 |
| Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Upper Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Registration plate issues | 1 |
| Nearside Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Stop lamp not working Brake light not operating when rear brake operated (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp not working when position lights on( large number of leds appear inop) (4.3.3 (b)) | 1 |
| Rear Stop lamp light intensity significantly reduced no change in brightness when applied with lights on(large number of leds appear inop) (4.3.3 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working rear brake handle (4.3.1 (a) (ii)) | 1 |
| Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 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 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust silencer insecure Front header stud and nut missing (8.1.1 (b) (i)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Upper Brake hose excessively stretched shaffing on upper panel (1.1.12 (b) (ii)) | 1 |
| Brake hose excessively stretched on upper. (1.1.12 (b) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front All position lamps not working side lamp (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |