| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Headlamp aim out of alignment | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Registration plate lamp issues | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate issues | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Headlamp aim unable to be tested headlamp not working (4.1.2 (b)) | 1 |
| Front Brake performance unable to be tested due to excessive binding (1.2.1 (g)) | 1 |
| Rear Brake performance unable to be tested due to excessive binding (1.2.1 (g)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Brake lamp not working with rear application (4.3.2 (a) (iii)) | 1 |
| Rear Rear reflector missing Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Brake fluid reservoir fluid level significantly below minimum level leaking (1.1.10 (d) (ii)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Brake linkage excessively worn (1.1.15 (b)) | 1 |
| Front Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake hose leaking Rear brake hose has melted on the exhaust. (1.1.12 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear control not working (4.3.2 (a) (iii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Central Rear Upper Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Central Front Upper Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Central Front Upper Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Direction indicator not working on front and rear, due to faulty switch. (4.4.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Rear Lower Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Position lamp switch does not operate in accordance with the requirements right indicator comes on when switch on (4.2.2 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect headlight has excessive movement and also projected pattern wrong (4.1.2 (c)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Central Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam front headlight bulb blowing (4.1.1 (a) (ii)) | 1 |