| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Steering headbearing has excessive free play |2.2.2| | 9 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Brake hose damaged | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Registration plate issues | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Rear wheel insecure |4.2.3b| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Centre Front Horn not working |1.7.3a| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil both forks |2.3.3| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Direction indicators not working indicators fail when steering turned. |1.5.1c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Direction indicators not working indicators intermitant. |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Front position lamp does not illuminate immediately when switched on side light |1.1.3a| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear Rear suspension bush has excessive free play in top suspension unit |2.4.A2a|i|| | 1 |
| Horn is not a constant note when the indicators are on the horn become two tones like a siren |1.7.3c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| All direction indicators not working all not working |4.4.1 |a| |ii|| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working via front brake (4.3.1 (a) (ii)) | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |