| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not working |1.7.3a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Rear Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Offside Rear Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Nearside Front Sidecar direction indicator not working |1.5.1c| | 1 |
| Front Sidecar wheel alignment has excessive toe-out |5.3.1a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Sidecar direction indicator not working |1.5.1c| | 1 |
| Centre Front Upper Front position lamp does not illuminate immediately when switched on side light |1.1.3a| | 1 |
| Nearside Rear Rear reflector on sidecar missing |1.4.1| | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Direction indicator 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 |
| Position lamp not working WHEN LOW BEAM SWITCH IS TURNED ON |4.2.1 |a|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake pipe excessively damaged |3.2.B2a| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Registration plate issues | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |