| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Headlamp aim out of alignment | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Direction indicator not working |1.5.1c| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Outer Stop lamp not working |1.2.1b| | 1 |
| Outer Direction indicator not working |1.4.A.2c| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Centre front brake binding |3.7.B.1| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Upper Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Sidecar front position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Brake cable guide defective and affecting operation (1.1.15 (d)) | 1 |
| Brake cable insecure (1.1.15 (c)) | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Rear Sub-frame attachment bracket/mounting fractured front (5.3.3 (b) (ii)) | 1 |
| Axle with an unsafe modification rear axle tubes (5.1.1 (c) (i)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Rear Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Rear Brake master cylinder leaking brake (1.1.10 (b) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Registration plate issues | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake lever has inadequate reserve travel (3.1.3b) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. (3.3.C1b) | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock (2.1.4) | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake linked system has a seized caliper pivot. |3.2.B5| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |