| Most common failures | No# failures |
|---|
| Registration plate issues | 8 |
| Headlamp aim out of alignment | 4 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Indicator switch defective |1.5.4| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies on front control |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Brake lever attachment screws missing |3.1.2b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp remains on when the brake is released when brake lever is applied |1.3.1e| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component front suspension legs worn in suspension tubes |2.3.4| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component fork bushes |2.3.4| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Nearside Front Upper Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Vehicle identification number not permanently displayed |6.3.5a| | 1 |
| Handlebar cracked |2.1.1b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| All direction indicators not working all indicators no flashing (4.4.1 (a) (ii)) | 1 |
| Upper Steering headbearing has excessive wear or free play and lower (2.2.2 (f) (i)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect dipping to the right (4.1.2 (c)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |