| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake drum|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Inner Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |