| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp aim out of alignment | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Rear Rear reflector missing |1.5.1a| | 1 |
| An item not tested |Manual| | 1 |
| front brake juddering severely |3.7.A.2b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Upper Fuel tank leaking |7.2.1a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 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 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Horn control missing |1.6.1| | 1 |
| Horn not working |1.7.3a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Brake pedal actuating lever has abnormal movement indicating maladjustment or excessive wear |3.3.A.1h| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front Front position lamp|s| missing |1.1.A.3a| | 1 |
| Rear Brake cylinder leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |