| Most common failures | No# failures |
|---|
| Registration plate issues | 11 |
| Headlamp aim out of alignment | 9 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Headlamp switch faulty |1.2.4| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| 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| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Nearside Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute incorrect value bulb |1.5.1c| | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Throttle operating incorrectly GRIP SLOW TO RETURN TO CLOSED |6.2.1f| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak nearside offside (5.3.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |