| Most common failures | No# failures |
|---|
| Registration plate issues | 25 |
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Headlamp aim out of alignment | 8 |
| Horn not working |1.7.3a| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Horn missing |1.7.1| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Inner Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Rear Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn Rear suspension linkage (5.3.4 (a) (i)) | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort disc worped |3.3.A1d| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear switch not connected |1.3.1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Front Position lamp missing Replaced (4.2.1 (a)) | 1 |