| Most common failures | No# failures |
|---|
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp aim out of alignment | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 2 |
| Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 2 |
| Brake lever cannot be released smoothly |3.1.3d| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Horn not working |1.7.3a| | 2 |
| Riders seat insecure |6.2.1a| | 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 |
| Registration plate issues | 1 |
| All direction indicators adversely affected by the operation of another lamp brake light (4.4.3 (b)) | 1 |
| Stop lamp adversely affected by the operation of another lamp indicators (4.3.3 (b)) | 1 |
| Throttle operating incorrectly revs up on left hand lock (6.2.7 (a) (i)) | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system exhaust can loose |7.1.1.c| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 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 |
| Horn sound not in accordance with requirements not loud enough (7.7 (c)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar perished (2.2.1 (d) (ii)) | 1 |
| Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Horn missing |1.7.1| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |