| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 100 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 21 |
| Registration plate issues | 17 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 16 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 15 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 8 |
| Horn not working |1.7.3a| | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Riders seat insecure |6.2.1a| | 6 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Nearside Rear Direction indicators not working |1.5.1c| | 4 |
| Fuel system component insecure |7.2.1b| | 4 |
| Front Brake pipe inadequately supported |3.2.B2b| | 4 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Direction indicators not working |1.5.1c| | 4 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Offside Rear Direction indicator not working |1.5.1c| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Fuel system component leaking |7.2.1a| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Fuel hose leaking |7.2.1a| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 3 |
| Nearside Front Brake pipe inadequately supported |3.2.B2b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Front position lamp missing |1.1.1a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front suspension assembly component loose |2.3.1| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Fuel tank leaking |7.2.1a| | 2 |
| Offside Fuel system component leaking |7.2.1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 2 |
| Fuel cap sealing washer torn |7.2.2c| | 2 |
| Indicator switch defective |1.5.4| | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Fuel system component leaking |7.2.1a| | 2 |
| Front Throttle operating incorrectly |6.2.1f| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Brake hose excessively deteriorated | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |