| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Headlamp aim out of alignment | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Horn not working |1.7.3a| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Headlamp insecure |1.2.3b| | 4 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Registration plate issues | 3 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 3 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front position lamp incorrect colour |1.1.2a| | 2 |
| Exhaust has part of the system missing |7.1.1a| | 2 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front Direction indicator insecure |1.5.3b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Nearside Front position lamp incorrect colour |1.1.2a| | 2 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 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 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Vehicle identification number not legible |6.3.5a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Brake pipe excessively corroded | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Centre Front Headlamp aim not tested |1.6| | 1 |
| Centre Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp aim not tested |1.6| | 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 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Upper Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Nearside Direction indicator insecure |1.5.3b| | 1 |
| Offside Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Headlamp switch faulty |1.2.4| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |