| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 21 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Horn not working |1.7.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Registration plate issues | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Fuel system component leaking |7.2.1a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Nearside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort REAR |3.3.A1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Exhaust has a major leak of exhaust gases Link pipe corroded. (6.1.2 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |