| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake cylinder insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Brake pedal so insecure that the brake cannot be readily applied Missing (1.1.2 (e) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Horn not working (7.7 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Offside Footrest missing (6.2.12 (a)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Registration plate issues | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Wheel alignment incorrect which adversely affects the handling Rear wheel not in straight (2.4 (a)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working |1.7.3a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Horn missing |1.7.1| | 1 |
| Stop lamp not working Not brighter than position lamp when revs are increased (4.3.1 (a) (ii)) | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |