| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Registration plate issues | 2 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Upper Brake locking device missing |3.2.A1e| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Fuel hose so insecure there is a risk of fire (6.1.3 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Footrest missing |6.2.1a| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Rear Wheel spoke excessively bent |4.2.1b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Lower Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear reflector missing replace |4.8.2 |a| |ii|| | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Offside Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Wheel fixing missing (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Footrest missing x 2 (6.2.12 (a)) | 1 |
| Shock absorber insecurely attached retighten bolt |5.3.2 |a| |i|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |