| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Registration plate issues | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Nearside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Offside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Horn missing |1.7.1| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Front Lower Brake excessively binding |1.2.1 |f|| | 1 |
| Central Front Upper Position lamp not working |4.2.1 |a|| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Registration plate lamp issues | 1 |
| Front Stop lamp switch with a delay in operation switch faulty |4.3.2 |a| |ii|| | 1 |
| Front Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Front Fuel pipe leaking |6.1.3 |b| |i|| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Nearside Rear Road wheel badly distorted (5.2.2 (c) (i)) | 1 |
| Offside Rear Road wheel badly distorted (5.2.2 (c) (i)) | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |