| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Headlamp aim out of alignment | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Horn not working |1.7.3a| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Drive chain sprocket worn to excess multiple teeth broken off |6.2.1e| | 1 |
| Front Brake locking device missing no split pin in clevis pin |3.2.A1e| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front suspension assembly component loose |2.3.1| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Rear Lower Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Fuel system component leaking Carb leaking at float cover |7.2.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front suspension assembly component loose top suspension bolts to top tree |2.3.1| | 1 |