| Most common failures | No# failures |
|---|
| Front shock absorber seal failed and leaking oil both |2.3.3| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Brake lever attachment screws loose ajuster lock nut |3.1.2b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear shock bolt not on nylon section of nut |6.2.1h| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 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 |
| Headlamp aim out of alignment | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Footrest insecure L/H rear passenger - bolts loose (6.2.12 (a)) | 1 |
| Footrest missing R/H rear passenger (6.2.12 (a)) | 1 |
| Rear Brake caliper inadequately mounted Slightly loose - disc mounting bolts hitting caliper bracket when wheel rotated (1.1.16 (c) (i)) | 1 |