| Most common failures | No# failures |
|---|
| Registration plate issues | 10 |
| Headlamp aim out of alignment | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Horn not working |1.7.3a| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Fuel system component leaking |7.2.1a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front position lamp missing |1.1.1a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain adjusters
|6.2.1h| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Centre Riders seat insecure |6.2.1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Rear Brake cylinder severely corroded |3.2.B1b| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Offside Front Upper Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Centre Front Lower Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Rear Lower 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 Rear Lower Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front wheel spindle loose |2.3.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake fluid not visible |1.1.10 |d| |iii|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear suspension bush has excessive free play swingarm
|2.4.A2a|i|| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 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 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel hub excessively worn (5.2.1 (b) (i)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |