| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Registration plate issues | 9 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Horn not working (7.7 (a)) | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Centre Horn not working |1.7.3a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Central Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Exhaust silencer insecure |8.1.1 |b| |i|| | 1 |
| Rear Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |