| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Offside Front Upper Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Nearside Rear Lower Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Centre Upper Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Lower Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front Built up wheel has a loose bolt/s |4.2.1c| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front suspension assembly excessive wear or free play in a front suspension component trailing pivot |2.3.4| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| 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 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Headlamp light intensity severely reduced When brake pressed, light goes out (4.1.4 (a)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Wheel fixing missing (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |