| Most common failures | No# failures |
|---|
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Headlamp aim out of alignment | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Registration plate issues | 4 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Front Front mudguard insecure |2.3.7| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Brake hose damaged | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Rear Lower Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Rear Lower Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front suspension assembly has excessive free play in the pivot bearings. |2.3.2| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Riders seat insecure |6.2.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Rear Brake component is fractured |3.1.5| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| An item not tested |Manual| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Fuel system component leaking |7.2.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Brake caliper insecure bolts missing in both front and rear calipers (1.1.16 (c) (i)) | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Centre Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |