| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 36 |
| Registration plate issues | 29 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| 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| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| 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)) | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Registration plate lamp issues | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Brake performance not tested not tested due to rear brake bind (1.2.1 (g)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (1.5.1c) | 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 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Riders seat insecure refit |6.2.1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Horn not working |1.7.3a| | 1 |
| Throttle operating incorrectly Switch gear insecure |6.2.1f| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition std exhaust fitted after service at time test (8.1.1 (a)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride SPLIT LINK CLIP FITTED IN WRONG DIRECTION |6.2.1h| | 1 |
| Handlebar handgrip not secure to handlebars. LEFT HAND SIDE |2.1.1c| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Drive chain horseshoe locking device likely to become detached |6.1.7 |j| |ii|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Nearside Headlamp aim not tested Operates the wrong way round...is on high beam when main headlamp is on low beam (4.1.2 (b)) | 1 |
| Offside Headlamp aim not tested operates the wrong way round....Is on high beam when main headlamp is on low beam (4.1.2 (b)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear wheel spindle |6.2.1h| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded Brake required adjustment to prevent binding. |3.2.A1h| | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| All position lamps do not illuminate immediately when switched on front and rear |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front and rear brake |1.3.1a| | 1 |
| Fuel system component leaking behind air filter |7.2.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 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 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake locking device missing Split pin |3.2.A1e| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp light intensity severely reduced on dip beam (4.1.4 (a)) | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working with front lever |4.3.1 |a| |ii|| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Stop lamp not working stop lamp not coming on when rear brake (foot) applied (4.3.1 (a) (ii)) | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |