| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 8 |
| Registration plate lamp issues | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| 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| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Brake pedal insecure |1.1.2 |e| |i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies lever |1.3.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Inoperative from handle bar lever (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp not working Front brake light switch wires had a bad contact. (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Central Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |