| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Brake hose excessively deteriorated | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 4 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (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 hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Exhaust system insecure and fouling centre stand (6.1.2 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Offside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear reflector missing Obscured by L plate (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Steering operation restricted in free movement from lock to lock Free movement restricted to the left (2.1.4 (c)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake hose damaged | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Offside Front Upper Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear brake does not illuminate the stop lamp (4.3.2 (a) (iii)) | 1 |
| Brake disc contaminated Front disc (1.1.14 (b)) | 1 |
| Brake excessively binding Front brake (1.2.1 (f)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Nearside Front Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Front Stop lamp not working front brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel no reserve travel on rear brake (1.1.2 (a)) | 1 |
| All direction indicators not working all indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |