| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Clutch lever bent so it cannot be readily operated. |6.2.1g| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Nearside Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Offside Rear Upper Direction indicators not working |1.5.1c| | 1 |
| Offside Front Upper Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Front position lamp incorrect colour |1.1.2a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Offside Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Handlebar deformed |2.1.1b| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |