| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Registration plate lamp issues | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Headlamp aim out of alignment | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected Bent (2.2.2 (d) (ii)) | 1 |
| Forks in such a condition that steering control is adversely affected Bent backwards (2.2.2 (d) (ii)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering Frame misaligned , steering affected (6.1.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |