| Most common failures | No# failures |
|---|
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Registration plate issues | 2 |
| Headlamp aim out of alignment | 2 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Lower Steering headbearing has excessive wear or free play play in bottom bearing (2.2.2 (f) (i)) | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Horn not working loose wire |1.7.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam loose wire |1.2.2a|i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Fuel system component leaking fuel tap |7.2.1a| | 1 |
| Throttle operating incorrectly stays on when released |6.2.1f| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Centre Front Upper Handlebar mounting clamp bolt loose |2.1.1a| | 1 |