| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Registration plate issues | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 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 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Stop lamp not working with front brake |4.3.1 |a| |ii|| | 1 |
| Rear Brake caliper leaking and braking performance affected |1.1.16 |b| |ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil fork seal |2.3.3| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake cylinder leaking hydraulic fluid from caliper |3.2.B1e| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam Dipswitch operates opposite to correct position EG Dip selects full beam & Full beam selects dip (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |