| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 127 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 48 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 47 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 44 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 35 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 20 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 20 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 19 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 17 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 17 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 15 |
| Registration plate issues | 14 |
| Headlamp aim beam image kick up to the offside |1.6| | 12 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 12 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 12 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 12 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 11 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Rear Brake excessively binding (1.2.1 (f)) | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Stop lamp remains on when the brake is released |1.3.1e| | 8 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 8 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 6 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 6 |
| Rear Brake excessively binding |1.2.1 |f|| | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 5 |
| Horn not working |1.7.3a| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Offside Indicator tell tale not functioning |1.5.2| | 5 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 5 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 4 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 4 |
| Front position lamp incorrect colour |1.1.2a| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 4 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 4 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Front Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Offside Front Position lamp not working (4.2.1 (a)) | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Headlamp switch faulty |1.2.4| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 3 |