| Most common failures | No# failures |
|---|
| Registration plate issues | 5 |
| Horn not working |1.7.3a| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Headlamp aim out of alignment | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Registration plate lamp issues | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |