| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Registration plate issues | 1 |
| Offside Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Nearside Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Central Front Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Nearside Motorcycle structure joining/attachment plate or fastening insecure bolt fixing loose[ marked [ |6.1.1 |b| |i|| | 1 |
| Nearside Rear Suspension arm pin or bush excessively worn swinging arm bush as play and rusty |5.3.4 |a| |i|| | 1 |
| Offside Rear Suspension arm pin or bush excessively worn swinging arm bush worn and rusty {marked] |5.3.4 |a| |i|| | 1 |
| Rear Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear suspension bush has excessive free play swing arm nut slack |2.4.A2a|i|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Lower Brake locking device missing |3.2.A1e| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |