| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Headlamp aim out of alignment | 9 |
| Horn not working |1.7.3a| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Registration plate issues | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Nearside Rear Footrest insecure |6.2.1a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Indicator switch defective |1.5.4| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak oil on front disc (5.3.2 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 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 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Dips wrong way (4.1.2 (c)) | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Horn missing |1.7.1| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| All direction indicators not working none (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working with front brake (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Upper Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Front Lower Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Upper Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Upper Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake not working (4.3.2 (a) (iii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front switch missing (4.3.2 (a) (iii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies Needs new switch |1.3.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Position lamp switch faulty |1.1.4a| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Nearside All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Offside All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Indicator switch defective |1.5.4| | 1 |
| Front wheel spindle loose |2.3.3a| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| All direction indicators not working all |4.4.1 |a| |ii|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| All position lamps do not illuminate immediately when switched on faulty switch |1.1.3a| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn control not readily accesible. |1.7.2a| | 1 |
| Nearside Front Brake component is severely distorted front disc distorted |3.1.5| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride split link |6.2.1h| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Indicator switch defective |1.5.4| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |