| Most common failures | No# failures |
|---|
| Registration plate issues | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp aim out of alignment | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Chain guard insecure |6.2.1c| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Brake component leaking fluid |3.2.B4| | 1 |
| Brake component leaking fluid |3.2.B4| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |