| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain worn to excess |6.2.1e| | 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 |6.2.1f| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Centre Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Indicator switch insecure |1.5.4| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp aim out of alignment | 1 |