| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Registration plate lamp issues | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Registration plate issues | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Nearside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp adversely affected by the operation of another lamp stop light affected when indicators applied. (4.3.3 (b)) | 1 |
| Position lamp adversely affected by the operation of another lamp rear light affected when indicators applied. (4.2.3 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Suspension attachment bracket/mounting insecure movement in lower suspension links. (5.3.3 (a) (i)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |