| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Registration plate issues | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Horn not working |1.7.3a| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Registration plate lamp issues | 3 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Brake locking device missing |3.2.A1e| | 2 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied pedal hits exhaust (1.1.2 (d)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Headlamp aim not tested no beam pattern led bulb fitted (4.1.2 (b)) | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Centre Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies front |1.3.1a| | 1 |
| Direction indicators not working o/s rear |1.5.1c| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Nearside Motorcycle structure cracked |6.1.1a| | 1 |
| Front Brake component has an inadequate repair |3.1.5| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Rear Lower Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Handlebar deformed o/s handle bar bent |2.1.1b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Shock absorber insecurely attached Headstock nut loose (5.3.2 (a) (i)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Roller brake test indicates a binding brake BOTH |3.3.A1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded caliper |3.2.A1h| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| An item not tested |Manual| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies Front switch |1.3.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Stop lamp lens defective such that the emitted light is adversely affected |4.3.1 |b| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Nearside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Exhaust has part of the system missing |7.1.1a| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake locking device insecure |3.2.A1e| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 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 |
| Front mudguard insecure |2.3.7| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |