| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 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 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear Brake cylinder severely corroded |3.2.B1b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Brake caliper insecurely mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Rear wheel spindle securing nut locking device missing split pin |2.4.A.2b| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Registration plate issues | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Wheel spoke excessively loose Two Spokes Lose |5.2.2 |d|| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Brake caliper|s| insecure |3.2.A1j| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| An item not tested |Manual| | 1 |
| Front An item not tested |Manual| | 1 |
| Rear An item not tested |Manual| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Centre Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Rear Rear reflector on sidecar missing |1.4.1| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear suspension bearing has excessive free play linkage too swinging arm bush |2.4.A2a|i|| | 1 |
| Throttle operating incorrectly STICKY |6.2.1f| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Rear Brake linkage has abnormal movement due to maladjustment adjust |3.2.A1i| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Outer Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |