| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Registration plate lamp issues | 6 |
| Horn not working |1.7.3a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain excessively tight rusty (6.1.7 (k) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Valve stem seriously damaged valve replaced (5.2.3 (j)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Shock absorber has a serious fluid leak Front right fork seal leaking excessively (5.3.2 (b)) | 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 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |