| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 20 |
| Headlamp aim out of alignment | 9 |
| Registration plate issues | 9 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Stop lamp remains on when the brakes are released | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Horn not working (7.7 (a)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Registration plate lamp issues | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| 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)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp light intensity severely reduced Dip and Main beam on together (4.1.4 (a)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Throttle operating incorrectly rpm raised on full lock (6.2.7 (a) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam High beam doesnt switch off (4.1.3 (b)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Stop lamp adversely affected by the operation of another lamp pulsing when indicators applied ( needs a new battery) (4.3.3 (b)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock yolk hitting radiator (2.1.4 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Front All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Nearside Rear All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Rear All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Central Front Exhaust system insecure Bolts missing on join (6.1.2 (a)) | 1 |
| Central Rear Stop lamp not working Stop lamp goes off when brakes pressed. (4.3.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure swingarm (5.3.3 (a) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess both (6.1.7 (c) (i)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Suspension arm attachment bracket/mounting insecure swing arm (5.3.3 (a) (i)) | 1 |
| Drive chain sprocket worn to excess Front / Rear (6.1.7 (c) (i)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside All direction indicators not working intermittant operation (4.4.1 (a) (ii)) | 1 |
| Position lamp missing (4.2.1 (a)) | 1 |
| Fuel cap ineffective no seal (6.1.3 (b) (i)) | 1 |
| Suspension component attachment bracket/mounting damaged and seriously weakened (5.3.3 (b) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Suspension attachment bracket/mounting insecure bolt locking device not secure offside swing arm bolt (5.3.3 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both fork legs leaking. (5.3.2 (b)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick up is on right, lhd lamp fitted (4.1.2 (a)) | 1 |
| Front All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Front Stop lamp missing brake switch (4.3.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Footrest missing both rear footrests missing (6.2.12 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Clutch lever bent so it cannot be readily operated missing protection ball from end and shorter than standard (6.2.7 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Rear Brake pedal pivot excessively worn (1.1.1 (b)) | 1 |
| Front Brake master cylinder insecure mounting snapped (1.1.10 (c)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |