| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Registration plate issues | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Brake locking device missing |3.2.A1e| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Stop lamp does not illuminate immediately a brake applies brake light extinguishes when brake applied fully |1.3.1a| | 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 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Upper Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Front Brake grabbing severely Front brake lever operation is not progressive. (1.2.1 (c)) | 1 |