| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 29 |
| Horn not working (7.7 (a)) | 18 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 8 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 7 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Riders seat insecure (6.2.5 (a) (ii)) | 6 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Front Horn not working (7.7 (a)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Registration plate issues | 3 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel notchy (1.1.2 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working front brake lever (4.3.1 (a) (ii)) | 1 |
| Brake lever not releasing correctly and functionality of brakes affected front brake lever action notchy - lubed (1.1.2 (b) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake lever excessively worn (1.1.15 (b)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect Rear (5.3.2 (b)) | 1 |
| Lower Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect rear shock has no damping (5.3.2 (b)) | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake linkage excessively worn Rear Brake Linkage come away from drum (1.1.15 (b)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected notched and centering (2.2.2 (f) (ii)) | 1 |
| Stop lamp not working both (4.3.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Suspension component likely to fail Rear Shock Bent (5.3.3 (b) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Stop lamp not working front brake control (4.3.1 (a) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing stuck in closed position (6.2.12 (a)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (Exccessive Lever Play) (1.2.1 (a) (i)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Front Horn not working (7.7 (a) (ii)) | 1 |
| Fork yoke excessively deformed (2.2.2 (d) (i)) | 1 |
| Stop lamp not working front brake light (4.3.1 (a) (ii)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |