| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate issues | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| 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| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Nearside Front Horn not working (7.7 (a) (ii)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front suspension spring worn and seriously weakened |2.3.2b| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake hose which buldges |3.2.B4| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Brake disc|s| excessively worn Excessive wear in mounting points |3.2.A1l| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride joining link clip |6.2.1h| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect kick up to offside (4.1.2 (c)) | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |