| Most common failures | No# failures |
|---|
| Registration plate issues | 29 |
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Horn missing |1.7.1| | 5 |
| Horn not working (7.7 (a)) | 4 |
| Headlamp aim out of alignment | 4 |
| Horn not working |1.7.3a| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Steering control handlebar movement restricted by cables caught on a projection trapped by horn |relocated| |2.1.2c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Exhaust mounting missing |7.1.1c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Wheel excessively damaged |5.2.2 |c| |i|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Central Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Offside Rear Brake caliper inadequately mounted |1.1.16 |c| |i|| | 1 |
| Nearside Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Wheel spoke missing (5.2.2 (d)) | 1 |
| Rear Chain guard insecure (6.1.7 (i)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Rear reflector missing new reflector fitted (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Motorcycle structure joining/attachment plate or fastening insecure Sub-frame bolt missing (6.1.1 (b) (i)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Front wheel bearings are excessively rough (2.3.5b) | 1 |
| Front wheel bearings have excessive free play (2.3.5b) | 1 |
| Nearside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Offside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Nearside Brake locking device insecure chain adjuster (3.2.A1e) | 1 |
| Rear Brake hose leaking fluid (3.2.B4) | 1 |
| Horn missing (1.7.1) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Upper Shock absorber likely to become detached BOLT LOOSE (5.3.2 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake lever insecure Locking device loose (1.1.2 (e) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |