| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Registration plate lamp issues | 8 |
| Registration plate issues | 8 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing fitted |1.4.1| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Front Handlebar deformed |2.1.1b| | 1 |
| Direction indicators not working n/s front |1.5.1c| | 1 |
| Rear Brake component damaged and seriously reduced in strength |3.2.A1| | 1 |
| Rear Stop lamp not working rear stop switch not working (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Handlebar grip insecure to handlebar L/H (2.2.1 (d) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 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 |
| Throttle operating incorrectly not returning to stop |6.2.1f| | 1 |