| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Registration plate issues | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Suspension component mounting has an unsafe modification |5.3.3 |c| |i|| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Central Rear Suspension component ball joint excessively worn all 3 at the bottom of shock mounting |5.3.4 |a| |i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Centre Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Footrest insecure |6.2.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies foot pedal |1.3.1a| | 1 |
| Stop lamp remains on when the brakes are released | 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 Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Nearside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Front suspension has a fracture of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |