| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Registration plate lamp issues | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Stop lamp not working at front brake (4.3.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake caliper leaking |1.1.16 |b| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play excessive free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling handlebars and wheel alignment out of alignment (2.4 (a)) | 1 |
| Front Lower Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Stop lamp not working from rear brake (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |