| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 11 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| 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| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Centre Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Upper Riders seat insecure |6.2.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| An item not tested |Manual| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Headlamp missing |1.2.3a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Nearside Rear Suspension component mounting prescribed area is fractured |2.4.A.3| | 1 |
| Rear brake binding | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Lower Steering lock stop ineffective |2.1.3| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Headlamp switch faulty |1.2.4| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Parking brake lever ratchet mechanism is broken |3.1.5| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Front wheel spindle securing nut locking device missing |9.2.8b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust system insecure mounting point broken |6.1.2 |a|| | 1 |
| Wheel bearing rough when rotated Front bearings |5.1.3 |b| |i|| | 1 |
| Suspension component has excessive wear or free play Movement in rear suspension |5.3.3 |d|| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear wheel spindle R clip was missing |6.2.1h| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear brake torque arm securing bolt split pin was missing |6.2.1h| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |