| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Registration plate issues | 5 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| 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| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Registration plate lamp issues | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension arm fractured (5.3.3 (b) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside 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 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Lower Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 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 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick-up to offside |4.1.2 |a|| | 1 |
| Front Shock absorber has a serious fluid leak forks leaking |5.3.2 |b|| | 1 |
| Offside 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 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Central Front Wheel hub excessively worn |5.2.1 |b| |i|| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Centre Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp aim not tested missing |1.6| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |