| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Upper Seat insecure |6.2.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 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 Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Nearside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Brake pedal mounting cracked . |3.1.2c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Motorcycle structure cracked |6.1.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Offside Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp insecure both (4.1.1 (c)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Centre Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |