| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Registration plate issues | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |1.7.3a| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Brake hose which buldges |3.2.B4| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Offside Front Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Nearside Front Riders seat insecure |6.2.1a| | 1 |
| Nearside 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 |
| Offside 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 Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear position lamp damaged and function impaired Lens brocken held on with tape! |1.1.1b| | 1 |
| Fuel pipe leaking Tank too carburetor pipe leaking! |7.2.1a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front suspension assembly component cracked |2.3.1| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached Missing! (6.1.7 (j) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |