| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Stop lamp remains on when the brakes are released | 11 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Registration plate lamp issues | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Registration plate issues | 2 |
| Brake hose damaged | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Headlamp not working on dipped beam new bulb fitted and ok (4.1.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Throttle operating incorrectly Insecure. (6.2.7 (a) (i)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment no reserve travel (1.1.15 (f)) | 1 |
| Nearside Position lamp switch insecure (4.2.2 (b)) | 1 |
| Offside Position lamp switch insecure (4.2.2 (b)) | 1 |
| Offside Rear Engine mounting/bracket bracket missing nut missing (6.1.8 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Front Motorcycle structure joining/attachment plate or fastening insecure Handlebar switchgear loose (6.1.1 (b) (i)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Nearside Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever insecure rear brake lever is not secure (1.1.2 (e) (i)) | 1 |
| Nearside Front Brake component insecure rear brake handlebar lever (1.1.21 (c)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel rear brake needs adjusting (1.1.2 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure TOP BOX/GRABRAIL MOUNTS INSECURE (6.1.1 (b) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure mudgaurd front sharpe edge (6.1.1 (b) (i)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |