| Most common failures | No# failures |
|---|
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 12 |
| Headlamp aim out of alignment | 12 |
| Rear Position lamp not working (4.2.1 (a)) | 9 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Registration plate lamp issues | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear 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 effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Shock absorber has a serious fluid leak fork seals leaking both sides (5.3.2 (b)) | 1 |
| Rear Stop lamp not working brake control (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working rear brake pedal (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Shock absorber has a serious fluid leak Both front (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Chain guard insecure (6.1.7 (i)) | 1 |
| Rear Upper Suspension component likely to become detached Both top bolts loose (5.3.3 (a) (ii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb not fitted correctly (4.1.2 (c)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Rear Drive chain so loose it is likely to fail prs completed (6.1.7 (c) (ii)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both front fork seals (5.3.2 (b)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Fuel tank insecure front mount bolt loose (6.1.3 (a) (i)) | 1 |
| Riders seat insecure mount bolts missing (6.2.5 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Full lock right (6.2.7 (a) (ii)) | 1 |
| Nearside Rear Direction indicator lens defective such that the emitted light is adversely affected Missing lense, white bulb (4.4.1 (b) (ii)) | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected Missing lense, white bulb (4.4.1 (b) (ii)) | 1 |
| Stop lamp not working on control 1(hand lever) (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake cylinder leaking and braking performance affected copper washers leaking (1.1.16 (b) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp not working rear control not working (4.3.1 (a) (ii)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber insecurely attached Both top yoke bolts loose (5.3.2 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Brake pedal insecure Bolt loose (1.1.2 (e) (i)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Direction indicator not working unplugged (4.4.1 (a) (ii)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |