| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Registration plate issues | 3 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Registration plate lamp issues | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Floor brake test indicates a severely grabbing brake front brake grabbing excessively |3.3.C2d| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen LED bulb fitted, pattern incorrect. (4.1.2 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Nearside Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies not working |1.3.1a| | 1 |
| Rear Brake lever has inadequate reserve travel lever pulls back to bars |3.1.3b| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Handlebar handgrip not secure to handlebars. left handlebar grip not secure |2.1.1c| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Fork yoke insecure |2.2.2 |d| |i|| | 1 |
| Direction indicators not working rear left indicator not working |1.5.1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Front Motorcycle structure excessively damaged Left hand steering lock stop missing |6.1.1a| | 1 |
| Rear suspension bush has excessive free play engine mounts |2.4.A2a|i|| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |