| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Registration plate issues | 14 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Registration plate lamp issues | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear brake binding | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Lower Motorcycle structure cracked radiator bracket broken |6.1.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Brake cable damaged (1.1.15 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel Cable adjusted. No charge. (1.1.2 (a)) | 1 |
| Nearside Brake cable locking device insecure |3.5.1l| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Handlebar handgrip missing |2.1.1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) | 1 |
| Roller brake test indicates a binding brake front brake binding |3.3.A1a| | 1 |
| Stop lamp remains on when the brake is released no brake pedal return spring |1.3.1e| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Seat insecure pillion |6.2.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working front switch |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working rear switch |4.3.1 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Nearside Rear Suspension arm fractured (5.3.3 (b) (ii)) | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Brake cable locking device missing |3.5.1l| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| An item not tested |Manual| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on os and ns |1.1.3a| | 1 |
| Brake cable insecure (1.1.15 (c)) | 1 |