| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle obscured |1.4.1| | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Riders seat insecure |6.2.1a| | 2 |
| Front Brake pipe inadequately supported |3.2.B2b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Direction indicator not working |1.5.1c| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Registration plate issues | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Rear wheel has a missing wheel bolt|s| |4.2.3a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket excessively loose CUSH DRIVE HAS EXCESSIVE PLAY (6.1.7 (c) (i)) | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Front position lamp insecure |1.1.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Handlebar deformed |2.1.1b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected indicator loose fouling ign switch (4.4.1 (b) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached handle bars mountings worn ( rubber bushes) (2.2.1 (b) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases header pipe (6.1.2 (a)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |