| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 7 |
| Registration plate issues | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim out of alignment | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear wheel insecure |4.2.3b| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system nut loose |7.1.1.c| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |