| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Stop lamp not working |1.2.1b| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |9.2.2a| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Registration plate issues | 2 |
| Offside Exhaust excessively deteriorated |7.1.1a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering system fouling |2.2.D.2a| | 1 |
| Nearside Rear Upper Trailing arm which is adjustable, locking device missing |2.4.G.1| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| An item not tested |Manual| | 1 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Brake pedal has no servo assistance |3.3.B.2| | 1 |
| Stop lamp emits other than a steady red light Both |1.2.1e| | 1 |
| Rear Rear position lamp|s| adversely affected by the operation of another lamp Both |1.1.A.3f| | 1 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Brake lever is positioned so that the brake cannot be readily applied |9.3.1g| | 1 |
| Parking brake lever is located so that it cannot be satisfactorily operated from the driver`s seat |3.1.3c| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear Suspension rod fractured (5.3.3 (b) (ii)) | 1 |
| Centre Headlamp has a product on the light source so that the light output is severely reduced |1.7.5a| | 1 |
| Centre Drive shaft which forms part of the suspension distorted |2.4.G.4a| | 1 |
| Drive shaft which forms part of the suspension distorted |2.4.G.4a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Brake hydraulic reservoir leaking hydraulic fluid |3.6.A.1| | 1 |
| Front brake excessively fluctuating | 1 |
| Handlebar mounting clamp loose |9.2.1c| | 1 |
| Centre Headlamp not working on main beam |1.7.5a| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Suspension arm pin or bush excessively worn Rear swing arm bushes excessively worn. Excessive movement. |5.3.4 |a| |i|| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Outer Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front position lamp|s| missing |1.1.A.3a| | 1 |
| Stop lamp missing |1.2.1a| | 1 |
| Nearside Front Footrest insecure |9.6.1| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering When steering to the left. |9.2.2a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Horn not working |1.6.2a| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Steering lock stop incorrectly adjusted |2.2.D.2c| | 1 |
| Offside Steering lock stop incorrectly adjusted |2.2.D.2c| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Front front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake performance not tested |3.3| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |