| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake component insecure brake hose (1.1.21 (c)) | 1 |
| Rear Brake caliper insecure pivot worn to excess (1.1.16 (c) (i)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |