| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Front Steering damper ineffective |9.2.3b| | 2 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Nearside Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Rear Brake cable damaged fowling on wheel (1.1.15 (a)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Rear Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake effort inadequate at a wheel insufficient reserve travel on foot brake (1.2.1 (a) (i)) | 1 |
| Suspension component attachment bracket/mounting corroded and seriously weakened rear swinging arm filler present suspect local corrosion (5.3.3 (b) (i)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |9.2.1a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Nearside front brake juddering severely |3.7.A.2b| | 1 |
| Offside front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Brakes imbalanced across an axle | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Registration plate issues | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. (3.3.C1b) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |