| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 29 |
| Rear reflector missing (4.8.2 (a) (ii)) | 19 |
| Registration plate issues | 18 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Horn not working (7.7 (a)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Brake cable insecure (1.1.15 (c)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Central Rear Suspension arm pin or bush excessively worn swinging arm bushes require adjustment (5.3.4 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Lower Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Front Upper Headlamp aim not tested dip beam not working (4.1.2 (b)) | 1 |
| Rear Rear reflector missing Fitted New (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 |
| Wheel hub excessively worn front wheel bearing play excess (5.2.1 (b) (i)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam Dip Beam inop (4.1.3 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Rear Footrest insecure Clip missing (6.2.12 (a)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Headlamp light intensity severely reduced dark masks fitted (4.1.4 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect incorrect bulb fitted. (4.1.2 (c)) | 1 |
| Riders seat insecure Seat not screwed down correctly (6.2.5 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect headlight bulb not fitted correctly, giving incorrect beam pattern (4.1.2 (c)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock handlebars have been pulled back, switchgears make light contact with bodywork (2.1.4 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play Steering bearings loose and adjusted (2.2.2 (f) (i)) | 1 |