| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Registration plate lamp issues | 10 |
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Registration plate issues | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy TOP AND BOTTOM CUPS AND CONES (2.2.2 (f) (i)) | 1 |
| Rear Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Direction indicator obviously incorrectly positioned Integrated brake light (4.4.3 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Throttle operating incorrectly Throttle sticking at full steering lock - incorrect cable adjustment (6.2.7 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned rear indicators too close 180mm minimum distance, taped up (4.4.3 (a)) | 1 |
| Front All direction indicators adversely affected by the operation of another lamp indicators combination of lower white driving lights affecting the luminosity of the orange indicator light taped up (4.4.3 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear reflector missing fitted (4.8.2 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak front fork (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak front fork (5.3.2 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned REAR INDICATORS INTEGRATED WITH STOP/TAIL LIGHT - LESS THAN 180MM SEPARATION (4.4.3 (a)) | 1 |
| Offside Front Footrest missing (6.2.12 (a)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 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 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Spacing less than 180mm apart (4.4.3 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock mirrors & hand guards hitting screen (2.1.4 (c)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition baffle fitted for m.o.t test (8.1.1 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |