| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Motorcycle structure adversely modified |6.1.1b| | 2 |
| Rear Brake back plate|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Direction indicator obviously incorrectly positioned Rear indicator`s are less than 180mm between illuminating surfaces. |4.4.3 |a|| | 1 |
| Front Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls controls hit the tank |2.1.2b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Fuel hose leaking |6.1.3 |b| |i|| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Nearside Front Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Offside Front Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Suspension arm corroded and seriously weakened |5.3.3 |b| |i|| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Offside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Offside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Front Footrest insecure clip missing |6.2.1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Rear Upper Rear suspension component loose nut |2.4.A.1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Brake pipe excessively chafed |3.2.B2a| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Registration plate issues | 1 |