| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 4 |
| Registration plate issues | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake lever cracked |3.1.2c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear position lamp missing |1.1.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Front Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Brake lever attachment screws loose |3.1.2b| | 1 |
| Offside Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Offside Front Brake component is excessively corroded |3.1.5| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |