| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Registration plate issues | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Throttle operating incorrectly |6.2.1f| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Brake back plate|s| insecure |3.2.A1j| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front position lamp missing |1.1.1a| | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Headlamp switch faulty |1.2.4| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Steering linkage has excessive free play |2.2.2| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Offside Front Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Offside Upper Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front position lamp does not face the front |1.1.1d| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Nearside Fuel hose leaking |7.2.1a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Horn missing |1.7.1| | 1 |
| Headlamp switch faulty dipswitch |1.2.4| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering top yolk out of alignment |2.5.1| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |