| Most common failures | No# failures |
|---|
| Registration plate issues | 104 |
| Rear reflector on motorcycle missing |1.4.1| | 102 |
| Headlamp aim out of alignment | 42 |
| Horn not working |1.7.3a| | 24 |
| Rear reflector missing (4.8.2 (a) (ii)) | 24 |
| Registration plate lamp issues | 20 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 18 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 17 |
| Rear reflector missing |4.8.2 |a| |ii|| | 16 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 10 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Indicator switch defective |1.5.4| | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Rear Footrest missing |6.2.1a| | 5 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Nearside Rear Footrest missing |6.2.1a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 4 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 4 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Nearside Direction indicators not working |1.5.1c| | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Headlamp switch faulty |1.2.4| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 3 |
| Offside Direction indicators not working |1.5.1c| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 2 |
| Horn control not functioning. |1.7.2b| | 2 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Steering damper ineffective |2.1.2d| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |