| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 11 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Horn not working |1.7.3a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Direction indicators not working |1.5.1c| | 2 |
| Lower Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Direction indicators not working |1.5.1c| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Offside Front wheel spindle loose |2.3.3a| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Upper Fuel cap sealing washer torn |7.2.2c| | 1 |
| Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp light intensity severely reduced Low beam wires had been fitted wrong. (4.1.4 (a)) | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Brake hose connection leaking on yoke (1.1.12 (c)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Offside Rear Direction indicators not working nearside indicator flashes instead |1.5.1c| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |