| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Registration plate issues | 2 |
| Brake hose excessively deteriorated | 2 |
| Headlamp insecure |1.2.3b| | 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 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Rear Stop lamp does not emit a steady light front brake lamp switch does not work |1.3.1b| | 1 |
| Nearside Rear Shock absorber has negligible damping effect Rear shock absorber has only minimal movement when pushed down and appears to be seized. (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect Rear shock absorber has only minimal movement when pushed down and appears to be seized. (5.3.2 (b)) | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain sprocket excessively loose |6.1.7 |c| |i|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Offside Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Drive chain sprocket worn to excess insecure |6.2.1e| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Rear Chain guard insecure |6.2.1c| | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced rear spindle lock plate. (6.1.1 (b) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride gear lever remote link |6.2.1h| | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Brake master cylinder leaking hydraulic fluid through level inspection glass |3.2.B1e| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |