| Most common failures | No# failures |
|---|
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Registration plate lamp issues | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Registration plate issues | 6 |
| Headlamp aim out of alignment | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Fuel system component leaking (6.1.3 (b) (i)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Lower Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock Left turn bump stop missing. Handlebars foul riders leg. (2.1.4 (a)) | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment Rear lever. Incorrect pivot pin. (1.1.15 (f)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Direction indicator not working front nearside (4.4.1 (a) (ii)) | 1 |
| Direction indicator not working front offside (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Headlamp light intensity severely reduced Dip and main (4.1.4 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Nearside Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Exhaust system insecure rear bolts sheared (6.1.2 (a)) | 1 |
| Brake lever insecure nut missing from rear brake lever pivot (1.1.2 (e) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Rear Brake lever has restricted free movement leaver sticking (1.1.15 (e)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake lever has insufficient reserve travel Rear brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Offside Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Stop lamp not working front brake light switch (4.3.1 (a) (ii)) | 1 |