| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Registration plate issues | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake locking device missing |3.2.A1e| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Offside Front Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Direction indicator obscured |1.5.1a| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Brake master cylinder defective but brake still operating |1.1.10 |b| |i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Front position lamp does not face the front |1.1.1d| | 1 |
| Front Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Drive chain sprocket excessively loose |6.1.7 |c| |i|| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Brake performance not tested |3.3| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |