| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Registration plate issues | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Throttle operating incorrectly adjuster loose and revving up on l/hand lock (6.2.7 (a) (i)) | 1 |
| Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Offside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake master cylinder has a seized master cylinder pivot. |3.2.B5| | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Drive chain sprocket excessively loose |6.1.7 |c| |i|| | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Engine Revs Increase When Bars Turn to the Left. (6.2.7 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake caliper operating mechanism has excessive travel front brake lever excessive travel (1.1.16 (e) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |