| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 30 |
| Registration plate issues | 30 |
| Horn not working |1.7.3a| | 13 |
| Headlamp aim out of alignment | 8 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Registration plate lamp issues | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| 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| | 3 |
| 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|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| 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)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort rear brake zero effort |3.3.A1c| | 1 |
| Steering damper ineffective |2.1.2d| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Steering damper ineffective |2.1.4 |d| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Front Upper Direction indicator not working |1.5.1c| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Rear Upper Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| All direction indicators not working Rh side |4.4.1 |a| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Offside Front Lower Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Brake component modification unsafe rear abs cable cut (1.1.21 (d) (i)) | 1 |
| Rear Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Central Rear Upper Rear reflector missing rear reflector had fallen off, replaced as needed (4.8.2 (a) (ii)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Footrest insecure new circlip fitted (6.2.12 (a)) | 1 |
| Drive chain sprocket so loose it is likely to fail Cush Drive Rubbers (6.1.7 (c) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Footrest missing (pillion seat fitted) (6.2.12 (a)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |