| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 4 |
| Horn not working |1.7.3a| | 3 |
| 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)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Registration plate issues | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen beam pattern not recognizable, gives a circle of light,not as expected for lens. |1.6.B.1| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 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 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Throttle operating incorrectly throttle appears to stick (6.2.7 (a) (i)) | 1 |
| Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached Bolts loose handlebars - Tightened bolts now ok (2.2.1 (b) (ii)) | 1 |
| Throttle operating incorrectly Throttle sticking - Slackened push/pull cables now ok (6.2.7 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |