| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Registration plate issues | 5 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Centre Exhaust excessively deteriorated |7.1.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Rear Drive belt worn to excess |6.2.1e| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Centre Front Upper Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Lower 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 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Brake excessively binding front and back brake (1.2.1 (f)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |