| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 21 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Registration plate issues | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Fuel cap sealing washer missing |7.2.2c| | 4 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp insecure |1.2.3b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Indicator tell tale not operating correctly Not working on nearside |1.5.2| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Offside Direction indicators not working |1.5.1c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Fuel cap ineffective seal missing (6.1.3 (b) (i)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Offside Position lamp switch insecure |1.1.4b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Fairing so located that it is likely to impede the steering Front internal bodywork catches tops of fork legs |2.1.2e| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |