| Most common failures | No# failures |
|---|
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Horn not working |1.7.3a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp aim out of alignment | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Centre Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Brake lever cracked |3.1.2c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Registration plate issues | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Lower Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Fork yoke deformed |2.1.1b| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies New Brake switch fitted at time of test. |1.3.1a| | 1 |
| Riders seat insecure Seat re fitted at time of test. |6.2.1a| | 1 |
| Nearside Direction indicators not working Unsiezed indicator switch. |1.5.1c| | 1 |
| Drive chain excessively loose Tightend. |6.2.1d| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain link |6.2.1h| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Drive chain sprocket excessively loose cush drive |6.1.7 |c| |i|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Inner Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |