| Most common failures | No# failures |
|---|
| Registration plate issues | 30 |
| Headlamp aim out of alignment | 22 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 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 |
| Registration plate lamp issues | 2 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Rear position lamp incorrect colour when indicator flashing |1.1.2b| | 1 |
| Offside Rear position lamp incorrect colour when indicator flashing |1.1.2b| | 1 |
| Offside Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Drive belt worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Drive belt pulley worn to excess |6.1.7 |c| |i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition baffles fitted at station |8.1.1 |a|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Throttle operating incorrectly throttle sticking (6.2.7 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (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 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |