| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Registration plate issues | 5 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| An item not tested |Manual| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Headlamp aim beam image kick up to the offside Headlamp mask fitted |1.6| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Clutch lever positioned so it cannot be readily operated (6.2.7 (b)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Drive chain excessively loose some O rings missing (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |