| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Upper Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Rear Upper Rear suspension has a fracture of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Rear Lower Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Offside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Chain split link. |6.2.1h| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |