| Most common failures | No# failures |
|---|
| Front Brake excessively binding (1.2.1 (f)) | 11 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Registration plate lamp issues | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp aim out of alignment | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Front Brake linkage has restricted free movement (1.1.15 (e)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Brake cylinder has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering front forks bent (6.1.1 (a) (ii)) | 1 |
| Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Rear Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Riders seat with a defective supporting structure unable to lock / secure seat (6.2.5 (a) (i)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake grabbing severely warped front disc (1.2.1 (c)) | 1 |
| Rear Upper Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Offside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Registration plate issues | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Position lamp not working both (4.2.1 (a)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front Wheel bearing rough when rotated also has slight lateral play (5.1.3 (b) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |