| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate issues | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Direction indicator obscured |1.5.1a| | 1 |
| Offside Front Direction indicator obscured |1.5.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| 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| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake pedal attachment screws loose |3.1.2b| | 1 |
| Front Brake master cylinder severely damaged |3.2.B1b| | 1 |