| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Headlamp aim out of alignment | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake rod insecure (1.1.15 (c)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle operating incorrectly Throttle sticking at full lock (6.2.7 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering swinging arm eccessive play (2.4 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel spoke excessively loose Damaged and insecure. (5.2.2 (d)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Rear Drive chain sprocket excessively loose Sprocket bolt missing (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure MUDGUARD (6.1.1 (b) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp light intensity severely reduced Dip (4.1.4 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached missing (6.1.7 (j) (ii)) | 1 |
| Brake disc significantly and obviously worn under size and missing half of pads (1.1.14 (a) (i)) | 1 |
| Footrest missing foot rest rubber (6.2.12 (a)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake clevis joint insecure (1.1.15 (c)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Upper Engine mounting/bracket missing bolt missing (6.1.8 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |