| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate issues | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Horn not working |1.7.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Upper Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Outer Front Horn not working |1.7.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Rear Brake cable locking device insecure |3.5.1l| | 1 |
| Front Horn not working |1.6.2a| | 1 |
| Front Stop lamp not working |1.2.1b| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear |3.5.1f| | 1 |
| Rear Brake linkage locking device insecure |3.5.1l| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front position lamp|s| does not face the front |1.1.A.3a| | 1 |
| Offside Front position lamp|s| does not face the front |1.1.A.3a| | 1 |
| Registration plate lamp issues | 1 |
| Centre Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Lower Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Exhaust is leaking and excessively noisey collector box |7.1.1b| | 1 |
| Front Front position lamp adversely affected by the operation of another lamp side light |1.1.3b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Horn control defective |1.7.2a| | 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 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear wheel rotation likely to be impeded rear mudguard is broken and insecure |6.2.1b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |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 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Shock absorber has negligible damping effect Both (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp adversely affected by the operation of another lamp Rear light fluctuates when indicators are used. (4.3.3 (b)) | 1 |
| Brake grabbing severely Front brake (1.2.1 (c)) | 1 |
| Brake grabbing severely Rear brake (1.2.1 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Hydraulic brake calliper insecurely mounted bolts missing (1.1.16 (c) (i)) | 1 |
| Rear Brake cable insecure | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |