| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 79 |
| Headlamp aim out of alignment | 51 |
| Registration plate issues | 44 |
| Registration plate lamp issues | 34 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 26 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 16 |
| Horn not working (7.7 (a)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| 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)) | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Offside Front Headlamp not working on main beam headlight bulb inoperative (4.1.1 (a) (ii)) | 1 |
| Rear Brake pedal insecure Brake lever retaining bolt loose (1.1.2 (e) (i)) | 1 |
| Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Headlamp aim projected beam image obviously incorrect bulb was in upside down (4.1.2 (c)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Nearside Front Upper Headlamp not working on dipped beam bulb replaced (4.1.1 (a) (ii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front All direction indicators obviously incorrectly positioned under 240mm apart (4.4.3 (a)) | 1 |
| Rear Pillion seat with a defective supporting structure (6.2.6 (a) (i)) | 1 |
| Rear Suspension component pin or bush excessively worn rear lower shock linkage bearing has excessive play (5.3.4 (a) (i)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Footrest missing both sides (6.2.12 (a)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear Rear reflector missing Rear reflector missing, new one fitted (4.8.2 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect Full beam on with dipped beam,no head lamps on in full beam position. (4.1.2 (c)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Rear All direction indicators obviously incorrectly positioned Not 180mm apart (4.4.3 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Central Rear Lower Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Central Rear Upper Direction indicator not working left rear not working (4.4.1 (a) (ii)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected knocking from top headrace assy (2.2.2 (d) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail Dry And Rusty (6.1.7 (k) (ii)) | 1 |
| Rear reflector missing Fit reflector (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam both lamps (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Central Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear 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 |
| Offside Rear Brake cylinder operating mechanism has excessive travel Excessive travel at rear brake pedal (1.1.16 (e) (i)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned only 105mm between illuminating surface must be at least 180mm (4.4.3 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake caliper inadequately mounted Disc is Rubbing on caliper spring/component (1.1.16 (c) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |