| Most common failures | No# failures |
|---|
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp aim out of alignment | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear 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 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Nearside Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake pipe excessively damaged |3.2.B2a| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel system component insecure |7.2.1b| | 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 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Rear reflector likely to become detached |4.8.1 |b| |ii|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |