| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 44 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 34 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 22 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 20 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 17 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Registration plate issues | 11 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 11 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 10 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 8 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Horn not working |1.7.3a| | 6 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 5 |
| Offside Front Footrest insecure |6.2.1a| | 5 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 4 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 4 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Rear mono-shock pivot seized |2.4.B.4| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front Footrest insecure |6.2.1a| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Fuel system component leaking |7.2.1a| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 3 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Drive chain excessively tight |6.2.1d| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Brake cylinder severely corroded |3.2.B1b| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Lower Rear suspension component cracked |2.4.A.1a| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Rear Upper Rear mono-shock pivot excessively worn |2.4.B.4| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |