| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 5 |
| Direction indicators not working |1.5.1c| | 4 |
| Headlamp aim out of alignment | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate issues | 2 |
| Offside Outer 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 |
| Horn emits 2 or more alternating tones |1.7.3b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Riders seat insecure |6.2.1a| | 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 |
| Nearside Inner Rear Lower Footrest missing |6.2.1a| | 1 |
| Offside Rear Lower Footrest missing |6.2.1a| | 1 |
| Nearside Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Lower Footrest insecure |6.2.1a| | 1 |
| Outer Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies replaced bulb |1.3.1a| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Wheel spindle loose tightened and split pin put in (5.2.1 (c) (i)) | 1 |
| Front Wheel spindle loose tightened and split pin fitted (5.2.1 (c) (i)) | 1 |
| Offside Rear Brake pedal has insufficient reserve travel adjusted (1.1.2 (a)) | 1 |
| Nearside Front Direction indicator not working repaired (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |