| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Registration plate issues | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 7 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Riders seat insecure |6.2.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Plate brake test No brake control achieves an efficiency of 30%. |3.3.B2a| | 1 |
| Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Lower Brake pedal insecure |3.1.2a| | 1 |
| Centre Front Upper Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Rear Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Rear Brake pedal insecure |1.1.2 |e| |i|| | 1 |
| Front Brake caliper insecure caliper slide pin insecure |1.1.16 |c| |i|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| An item not tested |Manual| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Gradient brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.D1b| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear Riders seat insecure |6.2.1a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Brake component damaged and seriously reduced in strength |3.2.A1| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear wheel has a missing wheel stud|s| |4.2.3a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Upper Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |