| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 38 |
| Registration plate issues | 31 |
| Headlamp aim out of alignment | 21 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 15 |
| Registration plate lamp issues | 8 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Offside Rear Footrest missing (6.2.12 (a)) | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| 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)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 2 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Footrest missing (6.2.12 (a)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Footrest insecure E-clip missing on front LH footrest (6.2.12 (a)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Closer than the mandated 180mm spacing (4.4.3 (a)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Brake indicates excessive fluctuation of brake effort front brake disc has excessive fluctuation (1.2.1 (e)) | 1 |
| Drive chain excessively loose adjusted up (6.1.7 (c) (i)) | 1 |
| Central Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake component inadequately mounted ABS SENSOR FOULING PICK UP RING (1.1.21 (c)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Brake indicates excessive fluctuation of brake effort front (1.2.1 (e)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect Bulb incorrectly fitted. (4.1.2 (c)) | 1 |
| Central Front Brake indicates excessive fluctuation of brake effort front brake discs warped (1.2.1 (e)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear All direction indicators obviously incorrectly positioned direction indicators must have minimum separation distances between the illuminating surfaces of 240mm at the front and 180mm at the rear (4.4.3 (a)) | 1 |
| Nearside Engine mounting/bracket excessively loose Engine bolt through crash slider loose - tightened (6.1.8 (a) (ii)) | 1 |
| Front All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Vehicle identification number not displayed (0.2 (a)) | 1 |
| Offside Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Footrest insecure Rear offside pillion foot rest missing circlip (6.2.12 (a)) | 1 |
| Nearside Rear Inner Drive chain sprocket excessively loose locking nuts to sprocket appear to be incorrectly seated.. (6.1.7 (c) (i)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |