| Most common failures | No# failures |
|---|
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Headlamp aim out of alignment | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Registration plate issues | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Central Front Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. 2 |2.4.A.3b| | 1 |
| Rear suspension bush has excessive free play swing arm bushes |2.4.A2a|i|| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Exhaust is leaking and excessively noisey header |7.1.1b| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Rear reflector on sidecar damaged and function impaired |1.4.2a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect both rear (5.3.2 (b)) | 1 |
| Shock absorber likely to become detached both rear (5.3.2 (a) (ii)) | 1 |
| Brake hose damaged | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |