| 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)) | 7 |
| Headlamp aim out of alignment | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Registration plate issues | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Brake caliper inadequately mounted rubber boot missing (1.1.16 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Brake lever insecure |1.1.2 |e| |i|| | 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 |
| Front Brake linkage excessively worn (1.1.15 (b)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Front Fork yoke in such a condition that steering control is adversely affected excessive upper fork yoke movement (2.2.2 (d) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Rear Brake lever is positioned so that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Brake hose excessively deteriorated | 1 |