| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Registration plate issues | 15 |
| Headlamp aim out of alignment | 12 |
| Horn not working |1.7.3a| | 8 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Nearside Steering lock stop missing |2.1.3| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| An item not tested |Manual| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Steering lock stop missing |2.1.3| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Headlamp switch faulty |1.2.4| | 1 |