| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Registration plate issues | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Horn not working |1.7.3a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Motorcycle structure adversely modified |6.1.1b| | 1 |
| Front Brake caliper|s| insecure INCORRECTLY MOUNTED |3.2.A1j| | 1 |
| Rear Brake caliper|s| insecure INCORRECTLY MOUNTED |3.2.A1j| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Horn missing |1.7.1| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Centre Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Front Horn not working |1.7.3a| | 1 |
| Centre Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside 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 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Steering damper in such a condition that the steering action is impaired. |2.1.2d| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Steering headbearing has excessive free play (2.2.2) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |