| Most common failures | No# failures |
|---|
| Registration plate issues | 15 |
| Headlamp aim out of alignment | 6 |
| 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| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Handlebar mounting insecure Insufficient clamping force (2.2.1 (a) (i)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |