| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 81 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 25 |
| Registration plate issues | 23 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 22 |
| Horn not working |1.7.3a| | 16 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 13 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 10 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Riders seat insecure |6.2.1a| | 9 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Fuel cap sealing washer torn |7.2.2c| | 5 |
| Fuel system component leaking |7.2.1a| | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Fuel pipe leaking |7.2.1a| | 4 |
| Direction indicators not working |1.5.1c| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Direction indicator not working |1.5.1c| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Offside Steering lock stop ineffective |2.1.3| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Handlebar deformed |2.1.1b| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Brake disc|s| cracked |3.2.A1g| | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Registration plate lamp issues | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Direction indicators not working |1.5.1c| | 2 |
| Rear Direction indicators not working |1.5.1c| | 2 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Brake pipe inadequately supported |3.2.B2b| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Offside Fuel system component leaking |7.2.1a| | 2 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Fuel hose leaking |7.2.1a| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Fuel system component insecure |7.2.1b| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |