| Most common failures | No# failures |
|---|
| Registration plate issues | 18 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Headlamp aim out of alignment | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Registration plate lamp issues | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Front Brake component is severely distorted |3.1.5| | 1 |
| 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 Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 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 Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake lever pivot excessively tight (1.1.1 (a)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |