| Most common failures | No# failures |
|---|
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 46 |
| Registration plate lamp issues | 40 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Headlamp aim out of alignment | 9 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Brake grabbing severely (1.2.1 (c)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Registration plate issues | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Brake fluid contaminated (1.8 (a)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Brake fluid contaminated (1.8 (a)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| 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 disc in such a condition that it is seriously weakened | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 2 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn 2mm thick. (1.1.14 (a) (i)) | 1 |
| Rear Upper Suspension component pin or bush excessively worn ENGINE MOUNT BUSH EXSESSIVE SIDE TO SIDE MOVEMENT (5.3.4 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort DISK DISTORTED (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort DISK DISTORTED (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort DISTORTED BRAKE DISC (1.2.1 (e)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Front Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Offside Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Engine mounting/bracket excessively loose Effecting handling of machine (6.1.8 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn excessive runout (1.1.14 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Shock absorber has a serious fluid leak both fork seals have a leak that is more then a light misting (5.3.2 (b)) | 1 |
| Offside Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort DISC DISTORTED (1.2.1 (e)) | 1 |
| Front Shock absorber has a serious fluid leak left side (5.3.2 (b)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Nearside Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Suspension arm pin or bush excessively worn Engine mount/ suspension pivot bushes (5.3.4 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort rear brake disc warped (1.2.1 (e)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Exhaust has a major leak of exhaust gases clamp/gasket (6.1.2 (a)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort PULSATING THROUGH LEVER (1.2.1 (e)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected bearings center and are rough notchy (2.2.2 (f) (ii)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Front Position lamp not working Both (4.2.1 (a)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake disc significantly and obviously worn worn uneven and scored (1.1.14 (a) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Suspension component has excessive wear or free play both rear shocks (5.3.3 (d)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Wheel fixing missing (multiple fixings) Rear wheel mounting plate bolt missing (5.2.1 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |