| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Drive chain excessively loose |6.2.1d| | 8 |
| Drive chain worn to excess |6.2.1e| | 5 |
| Registration plate lamp issues | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Horn not working |1.7.3a| | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking full lock right (6.2.7 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp not working rear switch stuck |4.3.1 |a| |ii|| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Nearside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Offside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Offside Rear Lower Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Position lamp not working side light (4.2.1 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Horn not working disconnected plugged back in |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Registration plate issues | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |