| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Front Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Offside Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| All direction indicators not working intermittant |4.4.1 |a| |ii|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake cable knotted |3.2.A1b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system Bolt missing! |7.1.1.c| | 1 |
| Chain guard insecure Bolt missing! |6.2.1c| | 1 |
| Rear Brake locking device missing Brake ankor bolt splitpin missing! |3.2.A1e| | 1 |
| Direction indicators not working All indicators going out when bike revs increase,relay faulty! |1.5.1c| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Motorcycle structure adversely modified |6.1.1b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Offside Rear Lower Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Central Rear Lower All position lamps do not illuminate immediately when switched on tail lamp not working |1.1.3a| | 1 |
| Centre Rear Upper Direction indicators affected by the operation of another lamp earth contact dubious |1.5.1c| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| An item not tested |Manual| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Nearside Front Upper Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Registration plate issues | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |