| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate issues | 5 |
| Horn not working |1.7.3a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Front suspension assembly component cracked |2.3.1| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Direction indicator not working |1.5.1c| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Brake hose excessively deteriorated | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Upper Front suspension assembly component cracked |2.3.1| | 1 |
| Centre Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Lower Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Direction indicators flashing less than 60 times a minute all |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Brake pedal mounting insecure |3.1.2a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Throttle operating incorrectly sticks
|6.2.1f| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Nearside Front suspension assembly component cracked |2.3.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake pipe excessively damaged |3.2.B2a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |