| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Registration plate issues | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake reaction bracket insecure (3.2.A1j) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |