| Most common failures | No# failures |
|---|
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 16 |
| Headlamp aim out of alignment | 14 |
| Stop lamp remains on when the brakes are released | 13 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Registration plate issues | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake lever insecure handlebar lever bolt almost out (1.1.2 (e) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn Sub-frame bushes worn, excessive play in sub-frame/engine mount. (5.3.4 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel handbrake (1.2.1 (a) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Suspension rod damaged and seriously weakened suspension jamming when compressed does not return (5.3.3 (b) (i)) | 1 |
| Offside Rear Suspension rod damaged and seriously weakened suspension jamming when compressed does not return (5.3.3 (b) (i)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering linkage component deformed to the extent that steering is affected (2.1.3 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort rear brake fluctuation (1.2.1 (e)) | 1 |
| Nearside Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Exhaust has a major leak of exhaust gases silencer gasket missing (6.1.2 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Nearside Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |