| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Registration plate lamp issues | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Registration plate issues | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Front position lamp incorrect colour |1.1.2a| | 1 |
| 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 |
| Offside Upper Handlebar deformed |2.1.1b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not illuminate immediately a brake applies front lever |1.3.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Handlebar restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Centre Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Inner Front Upper Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Suspension component pin or bush excessively worn Play in lower suspension linkage bushes causing excessive lateral movement (5.3.4 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp aim beam image kick up to the offside both |1.6| | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected rear slave cylinder seized (1.1.2 (b) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |