| Most common failures | No# failures |
|---|
| Registration plate issues | 8 |
| Headlamp aim out of alignment | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Motorcycle structure is fractured and structural rigidity is significantly reduced |6.1.1 |a| |i|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Nearside Front Horn not working |1.6.2a| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly sticks (6.2.7 (a) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Brake component insecure rear brake pin (1.1.21 (c)) | 1 |
| Nearside Front Brake hose leaking (1.1.12 (c)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear reflector missing Rear Reflector Fitted at Test Station at time of test. (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |