| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Registration plate issues | 13 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Footrest insecure |6.2.1a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Rear position lamp insecure |1.1.1c| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Centre Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Centre Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Front Front wheel bearings are excessively tight |2.3.5b| | 1 |
| Centre Rear Drive chain worn to excess |6.2.1e| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 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 |
| Front Lower Brake pipe inadequately supported |3.2.B2b| | 1 |
| Offside Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Brake component insecure |1.1.21 |c|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| An item not tested |Manual| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake performance not tested not tested due to fuel leak (1.2.1 (g)) | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 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 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Fuel pipe leaking |7.2.1a| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |