| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Registration plate issues | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Exhaust has part of the system missing |7.1.1a| | 1 |
| Offside Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Exhaust mounting missing |7.1.1c| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |