| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 89 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 50 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 46 |
| Stop lamp remains on when the brake is released |1.3.1e| | 36 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 34 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 30 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 29 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 28 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 28 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 19 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 18 |
| Registration plate issues | 18 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 18 |
| Horn not working |1.7.3a| | 15 |
| Stop lamp remains on when the brakes are released | 13 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 12 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 12 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 11 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 9 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 9 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Front Brake excessively binding (1.2.1 (f)) | 9 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 8 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 7 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 7 |
| Front Brake excessively binding |1.2.1 |f|| | 7 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 7 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 6 |
| Throttle operating incorrectly |6.2.1f| | 6 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 6 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear Position lamp not working |4.2.1 |a|| | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 5 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Offside Front Direction indicator not working |1.5.1c| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Brake excessively binding |1.2.1 |f|| | 4 |
| Front Brake disc|s| insecure |3.2.A1g| | 4 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 4 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Brake pipe excessively corroded | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Offside Front Brake hose leaking fluid |3.2.B4| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 3 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 3 |
| Brake master cylinder fluid level dangerously low |3.2.B1d| | 3 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 3 |
| Rear Brake disc|s| cracked |3.2.A1g| | 3 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Front Horn not working |1.7.3a| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Brake performance not tested |3.3| | 3 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 3 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 3 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |