| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear parking brake recording little or no effort | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Upper Shock absorber insecurely attached pinch bolt loose |5.3.2 |a| |i|| | 1 |
| Nearside Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp not working from handlebar brake control |1.2.1b| | 1 |
| Nearside Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Rear Direction indicator has less than 50% of the light sources illuminating |1.4.A.2c| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 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 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Offside Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Inner Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Registration plate issues | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside 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 |
| Offside 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 Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Suspension component mounting prescribed area excessively corroded significantly reducing structural strength both rear frame areas corroded at exhaust mountings and swinging arm areas (5.3.6 (a) (i)) | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |