| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Horn not working |1.7.3a| | 11 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Registration plate issues | 8 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Drive chain excessively tight |6.2.1d| | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Motorcycle structure excessively damaged |6.1.1a| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Offside Rear suspension component cracked |2.4.A.1a| | 1 |
| Nearside Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Steering lock stop maladjusted |2.1.3| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Nearside Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Front suspension assembly component missing |2.3.1| | 1 |
| Offside Front suspension assembly component missing |2.3.1| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Rear reflector on motorcycle missing Replaced reflector with new one. |1.4.1| | 1 |
| Nearside Front Direction indicator not working Fixed broken wire. |1.5.1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock Re-Ajusted |2.1.4| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake hose which buldges |3.2.B4| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Exhaust system insecure (6.1.2 (a)) | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Upper Horn not working |1.7.3a| | 1 |
| Throttle operating incorrectly |sticking| |6.2.1f| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Brake hose fouling rubbing on exhaust |3.2.B3b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear suspension bearing has excessive free play linkage to frame bearing |2.4.A2a|i|| | 1 |
| Front Horn control defective |1.7.2a| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| An item not tested |Manual| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Lower Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Rear Lower Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Offside Rear Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |