| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 30 |
| Headlamp aim out of alignment | 24 |
| Registration plate issues | 17 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Registration plate lamp issues | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Horn not working |1.7.3a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Direction indicator obviously incorrectly positioned solo motorcycles ??? 240mm at the front and 180mm at the rear |4.4.3 |a|| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp insecure refit |4.1.1 |c|| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 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 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Steering operation restricted in free movement from lock to lock fouling on steering damper |2.1.4 |c|| | 1 |
| Wheel more than one fixing loose fr wheel spindle and pinch bolts loose |5.2.1 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Steering linkage component modified such that the steering is adversely affected (2.1.3 (f) (ii)) | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake pedal operation |1.3.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Lower Chain guard insecure |6.2.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Front Upper Horn not working |1.7.3a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front switch |1.3.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Stop lamp does not illuminate immediately a brake applies by front switch |1.3.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |