| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Fuel system component insecure |7.2.1b| | 2 |
| Registration plate issues | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Indicator switch defective |1.5.4| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Footrest insecure |6.2.1a| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Rear reflector on sidecar missing |1.4.1| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Direction indicator not working All |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Exhaust silencer insecure clamp missing (8.1.1 (b) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| All position lamps not working all (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake pedal has inadequate reserve travel (3.1.3b) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |