| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Riders seat insecure |6.2.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 2 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies front brake applied |1.3.1a| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Fuel cap missing |6.1.3 |b| |i|| | 1 |
| Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Nearside Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Offside Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 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 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Fuel system component leaking leaking from under engine while running (6.1.3 (b) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working on front brake lever (4.3.1 (a) (ii)) | 1 |