| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Horn not working |1.7.3a| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Registration plate issues | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| 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 headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Rear Shock absorber insecurely attached both (5.3.2 (a) (i)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 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 projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake component has an inadequate repair |3.1.5| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Wheel spindle loose pinch bolt insecure |5.2.1 |c| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Registration plate lamp issues | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front position lamp does not face the front |1.1.1d| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |