| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 5 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Direction indicators not working |1.5.1c| | 2 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Rear wheel has a missing wheel stud|s| |4.2.3a| | 1 |
| Front Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Brake drum|s| insecure |3.2.A1g| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| An item not tested |Manual| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Registration plate lamp issues | 1 |
| Front Wheel hub excessively worn PLAY IN FRONT WHEEL BEARING (5.2.1 (b) (i)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front position lamp does not face the front |1.1.1d| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Exhaust has part of the system missing clamp bolt missing at head |7.1.1a| | 1 |
| Brake lever attachment screws missing locknut missing |3.1.2b| | 1 |