| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| An item not tested |Manual| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Headlamp aim out of alignment | 2 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake lever pivots excessively worn |3.1.3a| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 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 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Brake hose damaged | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Horn not working loose connection (7.7 (a) (ii)) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Headlamp switch insecure |1.2.4| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on blown bulb |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies blown bulb |1.3.1a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |