| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate issues | 14 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 7 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Horn not working |1.7.3a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Brake pedal insecure |3.1.2a| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Brake pedal mounting cracked . |3.1.2c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Brake has no recorded effort at a wheel needed adjusting up |1.2.1 |a| |ii|| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Centre Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Front suspension assembly has excessive free play in the pivot bearings. |2.3.2| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Offside Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Nearside Lower Front suspension assembly component loose |2.3.1| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Offside Front Upper Steering lock stop missing |2.1.3| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Rear wheel bearings have excessive free play Suspect rear wheel loose |2.4.A.2c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering handlebars twisted |2.5.1| | 1 |
| Front Front wheel spindle loose outer nuts loose |2.3.5a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort 45kg fluctuation |3.3.A1d| | 1 |
| Front Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Rear brake pivot |6.2.1h| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Headlamp aim not tested no front or rear position lamps working (4.1.2 (b)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Nearside Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |