| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Horn not working |1.7.3a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Steering linkage has excessive free play |2.2.2| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Horn control not functioning. |1.7.2b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear reflector missing Covered with l plate (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front mudguard can easily contact any fixed point of the motor bicycle. |2.3.7| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp not working front brake |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Steering linkage component insecure to the motorcycle structure excess play in head bearings (2.1.3 (a) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen beam kick up wrong way (4.1.2 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Registration plate issues | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Exhaust is leaking and excessively noisey cracked at silencer flange, probably weldable |7.1.1b| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |