| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Registration plate issues | 8 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Nearside Rear Direction indicators not working |1.5.1c| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Offside Handlebar deformed |2.1.1b| | 2 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Registration plate lamp issues | 2 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| An item not tested |Manual| | 1 |
| Rear Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Decelerometer brake test no brake control achieves an efficiency of 30% |3.3.E1a| | 1 |
| Decelerometer brake test neither brake control achieves an efficiency of 25% |3.3.E1c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Centre Front Upper Horn is not a constant note |1.7.3c| | 1 |
| Centre Front Upper Horn is not continous or uniform |1.7.3c| | 1 |
| Nearside Upper Fuel system component leaking |7.2.1a| | 1 |
| Nearside Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Chain guard insecure |6.2.1c| | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Centre Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Front Upper Horn not working |1.7.3a| | 1 |
| Offside Front Lower Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Headlamp switch insecure |1.2.4| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Nearside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear 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| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Centre Front Upper All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (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 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 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 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Brake component insecure both rear reaction bracket bolts no securing pins |1.1.21 |c|| | 1 |
| Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain |6.2.1h| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 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 |
| Rear Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |