| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Registration plate issues | 11 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Horn not working |1.7.3a| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Nearside Front Brake back plate|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Rear suspension bush has excessive free play Main swingarm |2.4.A2a|i|| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Sidecar direction indicator not working |1.5.1c| | 1 |
| Sidecar wheel bearings have excessive free play |5.2.3c| | 1 |
| Sidecar attachment insecure |5.1.1b| | 1 |
| Sidecar attachment has excessively deteriorated pivot points or bushes |leanable sidecar| |5.1.2| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Direction indicator flashing less than 60 times a minute faulty flasher unit |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute faulty flasher unit |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing less than 60 times a minute same as front flasher fault |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute same as front flasher fault |1.5.1c| | 1 |
| Nearside Rear Stop lamp emits other than a steady red light L.E.D bulb brightness when stop light is applied no brighter than tail light hard to see when brake is applied |1.3.1b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Upper Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Lower Front suspension assembly component loose |2.3.1| | 1 |
| Lower Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Centre Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Position lamp switch faulty |1.1.4a| | 1 |
| Nearside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| 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| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Front suspension assembly component missing |2.3.1| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Steering lock stop loose |2.1.3| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Rear Stop lamp missing |1.3.3a| | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Offside Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear 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| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |