| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 195 |
| Registration plate issues | 43 |
| Rear Brake excessively binding (1.2.1 (f)) | 21 |
| Stop lamp remains on when the brakes are released | 20 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 17 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 16 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 15 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 11 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 11 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 8 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 6 |
| Horn not working (7.7 (a)) | 6 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Registration plate lamp issues | 3 |
| Rear Brake lever pivot excessively tight (1.1.1 (a)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Nearside Front Wheel spoke excessively loose (5.2.2 (d)) | 2 |
| Brake excessively binding (1.2.1 (f)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Brake fluid contaminated (1.8 (a)) | 2 |
| Offside Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Nearside Rear Wheel spoke excessively loose (5.2.2 (d)) | 2 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Central Rear Lower Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (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 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |