| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 36 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 16 |
| Registration plate lamp issues | 16 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 16 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Registration plate issues | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 8 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Position lamp not working (4.2.1 (a)) | 7 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear Brake disc|s| cracked |3.2.A1g| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 4 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 3 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Footrest insecure |6.2.1a| | 2 |
| Brake pedal is inoperative |3.1.3c| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |