| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 51 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 7 |
| Registration plate issues | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Registration plate lamp issues | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Rear Brake grabbing severely (1.2.1 (c)) | 3 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 2 |
| Front Front wheel bearings are excessively rough (2.3.5b) | 1 |
| Front Stop lamp deteriorated and function impaired (1.3.3a) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort (3.3.A1d) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak Off side fork seal leaking (5.3.2 (b)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Offside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Upper Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Rear Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Offside Rear Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Front Steering operation restricted in free movement from lock to lock increase of revs when steering turned lock to lock (2.1.4 (c)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Exhaust has part of the system missing (7.1.1a) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition (7.1.2) | 1 |
| Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Rear Lower Suspension component pin or bush likely to become detached (5.3.4 (a) (ii)) | 1 |
| Headlamp light source and lamp not compatible aftermarket HID kit fitted (4.1.4 (c)) | 1 |
| Nearside Direction indicator not working Front and rear (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp light source and lamp not compatible Dip beam lamps. (4.1.4 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Central Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Front Position lamp not working High beam not Emitting light. (4.2.1 (a)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Front Brake excessively binding RHF Calliper binding (1.2.1 (f)) | 1 |
| Footrest insecure The rubber part of the footrest is insecure and likely to become detached. (6.2.12 (a)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Nearside Front Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Front Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb not fitted correctly. (4.1.2 (c)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 30 - 35% (1.2.1 (e)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Offside Shock absorber has a serious fluid leak fork seal leaking excessivley (5.3.2 (b)) | 1 |
| Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Front Brake disc contaminated Polish. (1.1.14 (b)) | 1 |
| Rear Brake disc contaminated Polish. (1.1.14 (b)) | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Front Headlamp reflector seriously defective Reflector assembly loose in headlamp unit (4.1.1 (b) (ii)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle cabled trapped under frame. - Rectified (6.2.7 (a) (ii)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Lower Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Fuel system component leaking tank area (6.1.3 (b) (i)) | 1 |
| Direction indicator not working nearside front and rear (4.4.1 (a) (ii)) | 1 |
| Nearside Front Brake pivot excessively worn discs bobbins (1.1.15 (b)) | 1 |
| Rear Brake grabbing severely when operated on either the front or the rear brake levers (1.2.1 (c)) | 1 |
| Front Direction indicator incorrect colour orange bulbs fitted for test (4.4.3 (a)) | 1 |
| Suspension arm pin or bush excessively worn Swinging Arm Pivot. (5.3.4 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Brake hose connection leaking (1.1.12 (c)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake performance not tested due to rear pads. (1.2.1 (g)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |