| Most common failures | No# failures |
|---|
| Registration plate issues | 11 |
| Headlamp aim out of alignment | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Direction indicator missing |1.5.1a| | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim projected beam image obviously incorrect An L.E.D bulb was fitted without a deflector and had no beam image. (4.1.2 (c)) | 1 |
| Throttle operating incorrectly bar end weight was fouling the end of the throttle sleeve and the throttle was sticking badly (6.2.7 (a) (i)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 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 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies Rear brake |1.3.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Direction indicator obviously incorrectly positioned Indicators built into rear light. |4.4.3 |a|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |