| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 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 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride tab snapped on front disc |6.2.1h| | 1 |
| Steering lock stop ineffective hitting tank |2.1.3| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear wheel has a loose component in side drum |6.2.1h| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension nearside pillion foot peg fouling on swingarm |2.4.A.3a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Registration plate issues | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Steering linkage locking device missing (2.1.3 (d)) | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |