| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Registration plate issues | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Brake hose damaged | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Indicator tell tale not operating correctly |1.5.2| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Fuel tank leaking Fuel tank filler cap leaking |7.2.1a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Horn control not readily accesible. |1.7.2a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Suspension arm insecurely attached (5.3.3 (a) (i)) | 1 |