| Most common failures | No# failures |
|---|
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 9 |
| Headlamp aim out of alignment | 5 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Front Front suspension assembly component restricted in operation |9.2.5e| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Wheel bearing rough when rotated Front bearings |5.1.3 |b| |i|| | 1 |
| Handlebar grip insecure to handlebar Both handlebar grips insecure |2.2.1 |d| |ii|| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Sidecar front position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Registration plate issues | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Direction indicator affected by the operation of another lamp Indicators cannot flash from a constant amber to brighter amber |running lights|. |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Brake cable locking device insecure |3.5.1l| | 1 |
| Rear Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Rear Brake hydraulic reservoir insecurely mounted |3.6.A.2a| | 1 |
| Front front brake juddering severely |3.7.A.2b| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 1 |
| Nearside Front Roller brake test indicates a binding brake (3.3.A1a) | 1 |
| Offside Front Roller brake test indicates a binding brake (3.3.A1a) | 1 |
| Rear reflector missing both (4.8.2 (a) (ii)) | 1 |
| Front Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Rear suspension fouling which affects the movement of the rear suspension (2.4.A.3a) | 1 |
| Rear Brake caliper(s) securing bolt(s) loose (3.2.A1j) | 1 |