| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Headlamp aim out of alignment | 13 |
| Registration plate issues | 13 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Offside 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| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| 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| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Stop lamp missing |1.3.3a| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front 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 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Handlebar retaining device loose Bush Worn |2.2.1 |b| |i|| | 1 |
| Offside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Brake hose connection leaking (1.1.12 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |