| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 74 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 28 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 19 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 17 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 16 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Registration plate issues | 13 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 13 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 11 |
| Drive chain excessively loose |6.2.1d| | 9 |
| Horn not working |1.7.3a| | 9 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 6 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 6 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Offside Front Footrest insecure |6.2.1a| | 5 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Offside Rear Direction indicator not working |1.5.1c| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Brake disc|s| cracked |3.2.A1g| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear suspension component seized |2.4A2a|ii|| | 2 |
| Rear suspension component cracked |2.4.A.1a| | 2 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear mono-shock pivot seized |2.4.B.4| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Fuel system component insecure |7.2.1b| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Nearside Footrest insecure |6.2.1a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Brake performance not tested |3.3| | 2 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |