| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Offside Rear Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Offside Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 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 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |