| Most common failures | No# failures |
|---|
| Registration plate issues | 21 |
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Headlamp aim out of alignment | 11 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Registration plate lamp issues | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride both |6.2.1h| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 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 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear reflector missing FITTED DURING TEST |4.8.2 |a| |ii|| | 1 |
| Rear reflector on motorcycle missing FITTED DURING TEST |1.4.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies ADJUSTED DURING TEST |1.3.1a| | 1 |
| Horn not working wiring fault |1.7.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Central Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Rear Brake pedal so insecure that the brake cannot be readily applied pedal not secured to mounting bracket (1.1.2 (e) (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 leaking (6.1.3 (b) (i)) | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 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 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |