| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Headlamp aim out of alignment | 8 |
| Registration plate issues | 7 |
| Horn not working |1.7.3a| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Fuel system component leaking |7.2.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Brake fluid reservoir insecurely mounted |3.2.B1a| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Stop lamp emits other than a steady red light |1.3.1b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Horn missing |1.7.1| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 2 |
| Registration plate lamp issues | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Front Brake component is severely distorted |3.1.5| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Brake component inadequately mounted brake disc mounting bolt missing (1.1.21 (c)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Direction indicators not working Both indicators damaged |1.5.1c| | 1 |
| Front Direction indicators flashing more than 120 times per minute Both indicators operating incorrectly |1.5.1c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Throttle operating incorrectly Sticking |6.2.1f| | 1 |
| Rear Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Horn not working missing |7.7 |a| |ii|| | 1 |
| Headlamp not working on main beam no main beam function |4.1.1 |a| |ii|| | 1 |
| Stop lamp switch with a delay in operation affected by position lamp |4.3.2 |a| |ii|| | 1 |
| Stop lamp light intensity significantly reduced affected by position lamp operation |4.3.3 |a| |ii|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected catching on guard (1.1.2 (b) (ii)) | 1 |
| Central Shock absorber has negligible damping effect not damping at all (5.3.2 (b)) | 1 |
| Front Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Wheel spindle loose Maybe wheel bearings CHECK! |5.2.1 |c| |i|| | 1 |
| Rear Brake caliper inadequately mounted |1.1.16 |c| |i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Brake hose damaged | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |