| Most common failures | No# failures |
|---|
| Registration plate issues | 19 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Headlamp aim out of alignment | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Horn not working |1.7.3a| | 6 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection Restricted by coolant bottle |2.1.2c| | 1 |
| Wheel bearing has excessive play Front (5.1.3 (a) (i)) | 1 |
| Wheel bearing has excessive play Rear (5.1.3 (a) (i)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Horn control not readily accesible. |1.7.2a| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| An item not tested |Manual| | 1 |
| Rear Brake pedal pivots excessively worn (3.1.3a) | 1 |
| Offside Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Registration plate lamp issues | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Suspension component modified so the suspension is inoperative Front forks |5.3.3 |c| |ii|| | 1 |
| Brake component inadequately mounted Front pads have excessive movement and retainer clip missing |1.1.21 |c|| | 1 |
| Drive chain sprocket so loose it is likely to fail Front sprocket circlip locking device incorrectly fitted |6.1.7 |c| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose rear brake caliper pivot pin worn |3.2.A1j| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Centre Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies Brake light not working on front brake. |1.3.1a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Motorcycle structure excessively damaged side stand missing hole in the frame |6.1.1a| | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Front Brake disc fractured multiple fractures (1.1.14 (a) (ii)) | 1 |
| Front Wheel spoke excessively loose x 2 (5.2.2 (d)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Drive chain excessively loose (6.2.1d) | 1 |
| Drive chain worn to excess (6.2.1e) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revs excessively when turning right (6.2.7 (a) (ii)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |