| Most common failures | No# failures |
|---|
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Headlamp aim out of alignment | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested no dip beam (4.1.2 (b)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected very stiff and notchy (2.2.2 (f) (ii)) | 1 |
| Central Front Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Brake performance unable to be tested front brake excessively binding (1.2.1 (g)) | 1 |
| Central Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Central Front Upper Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Direction indicator adversely affected by the operation of another lamp interacting with left flasher (4.4.3 (b)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Rear reflector reflecting white to the rear showing white light to rear (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Position lamp switch allows the rear position lamp to be switched off when the headlamp(s) are on (4.2.2 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Front Upper Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Rear Suspension component mounting modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |