| Most common failures | No# failures |
|---|
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Headlamp aim out of alignment | 3 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 3 |
| Registration plate issues | 2 |
| Rear parking brake recording little or no effort | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Lower Front position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Front Brake pedal spongy |3.3.B.1b| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Centre Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |