| Most common failures | No# failures |
|---|
| Registration plate issues | 39 |
| Headlamp aim out of alignment | 29 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| 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| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| 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 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Drive belt excessively loose. |6.2.1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Front left fork seal leaking |5.3.2 |b|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Pillion seat insecure |6.2.6 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies not working on hand control |1.3.1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear Wheel spindle loose |5.2.1 |c| |i|| | 1 |