| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Horn not working |1.7.3a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Steering lock stop ineffective |2.1.3| | 3 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Nearside Front Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear An item not tested |Manual| | 1 |
| Front Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Centre Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Rear Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Centre Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| 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 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Registration plate issues | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Offside Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Nearside Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Stop lamp missing |1.3.3a| | 1 |
| Nearside Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake drum|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |