| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Registration plate issues | 2 |
| 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 |
| Handlebar deformed |2.1.1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside 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)) | 1 |
| Offside 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)) | 1 |
| Registration plate lamp issues | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| All direction indicators adversely affected by the operation of another lamp No battery fitted so indicators affected by brake light (4.4.3 (b)) | 1 |
| Headlamp reflector seriously defective Upside down (4.1.1 (b) (ii)) | 1 |
| Headlamp light source and lamp not compatible Bulb showing incorrect beam pattern (4.1.4 (c)) | 1 |
| Headlamp aim not tested Incorrect light source causing indistinct beam (4.1.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Fuel cap ineffective Inner sealing mechanism incomplete (6.1.3 (b) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Brake component inadequately mounted Rear brake torque arm insecure both ends and inadequate securing devices (1.1.21 (c)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied Rear brake pedal position too high (1.1.2 (d)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swinging arm bush (5.3.4 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake drum|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake fluid reservoir fluid not visible Sight glass obscured, needs replacing. (1.1.10 (d) (iii)) | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Vehicle identification number incomplete (0.2 (b)) | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |