| Most common failures | No# failures |
|---|
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 8 |
| Registration plate lamp issues | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Headlamp aim out of alignment | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Registration plate issues | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Central Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Front Position lamp not working main beam (4.2.1 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy Headstock bearings excessively notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake cable insecure | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam operates on main beam when dip beam selected (4.1.3 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Direction indicator not working nearside & offside (4.4.1 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Stop lamp not working right hand aplication (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect High and low beam switch operates in reverse order. (4.1.2 (c)) | 1 |