| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Registration plate issues | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Centre Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Rear Rear reflector on motorcycle damaged and function impaired |1.4.2a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Brake cable badly frayed |3.2.A1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Central Rear Inner Motorcycle structure has excessive corrosion which adversely affects braking or steering Large hole, close to rear suspension mounting (6.1.1 (c) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Direction indicator obscured |1.5.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Wheel spindle locking device ineffective Incorrect wheel fixings fitted-all 5 (5.2.1 (d)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Wheel spindle locking device ineffective Incorrect wheel fixings fitted-all 5 (5.2.1 (d)) | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |