| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Brake hose excessively deteriorated | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Chain guard fouling another component |6.2.1c| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Registration plate issues | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear Rear reflector on motorcycle missing replaced |1.4.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 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 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake component leaking fluid caliper |3.2.B4| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Front Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear axle |6.2.1h| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride torque arm |6.2.1h| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Brake rod insecure |1.1.15 |c|| | 1 |