| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear reflector on motorcycle obscured |1.4.1| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| An item not tested |Manual| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Outer Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Nearside Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Offside Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Vehicle identification number not legible |6.3.5a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |