| Most common failures | No# failures |
|---|
| Registration plate issues | 24 |
| Headlamp aim out of alignment | 8 |
| 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| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Brake pipe excessively corroded | 2 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 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 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear 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 Upper Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Rear Lower Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen Headlamp kick up is on the O/S not N/S (4.1.2 (a)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Footrest insecure Footboard bolt missing |6.2.1a| | 1 |
| Nearside Fuel system component insecure Tank mounting bolt loose |7.2.1b| | 1 |
| Offside Fuel system component insecure Tank mounting bolt insecure |7.2.1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake cylinder leaking and braking performance affected |1.1.16 |b| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Direction indicator missing all |1.5.1a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |