| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 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 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Stop lamp affected by the operation of another lamp Front and rear brakes not illuminating when main lights on ,but work when lights switched off |1.3.2| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear reflector reflecting white to the rear |4.8.2 |a| |ii|| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front Lower Brake pipe union leaking fluid |3.2.B4| | 1 |
| Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Front Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear Brake locking device insecure |3.2.A1e| | 1 |
| Horn not working |1.7.3a| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Upper Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Upper Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Horn control defective |1.7.2a| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |