| Most common failures | No# failures |
|---|
| Registration plate issues | 30 |
| Rear reflector on motorcycle missing |1.4.1| | 19 |
| Headlamp aim out of alignment | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate lamp issues | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Headlamp aim beam image kick up to the offside mask coverter fitted |1.6| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp missing |4.3.1 |a| |ii|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp (1.1.3b) | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Lower Brake component leaking fluid bleed nipple leaking fluid |3.2.B4| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Centre Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Front Direction indicators not working Not fitted, although rear is |1.5.1c| | 1 |
| Offside Front Direction indicators not working not fitted, although rear is |1.5.1c| | 1 |
| Rear Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear wheel spindle securing nut locking device missing replace |2.4.A.2b| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |