| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Registration plate issues | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Sidecar front position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Sidecar wheel bearings have excessive free play |5.2.3c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Nearside Fuel system component leaking carb leak |6.1.3 |b| |i|| | 1 |
| Offside Fuel hose leaking offside fuel tap leak |6.1.3 |b| |i|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Rear Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Fuel system component leaking |7.2.1a| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |