| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Horn not working |1.7.3a| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Registration plate issues | 1 |
| Rear Upper Chain guard insecure |6.2.1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front shock absorber seal failed and leaking oil fork seal |2.3.3| | 1 |
| Nearside Front shock absorber seal failed and leaking oil fork seal |2.3.3| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp aim out of alignment | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease both |3.2.A1k| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 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 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Brake component insecure rear brake torque arm (1.1.21 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |