| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Drive chain excessively loose |6.2.1d| | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Horn not working |1.7.3a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Registration plate issues | 4 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 3 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 3 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 3 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 3 |
| Handlebar deformed |2.1.1b| | 3 |
| Brake locking device missing |3.2.A1e| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Front Front mudguard insecure |2.3.7| | 3 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear suspension bearing has excessive free play swingarm |2.4.A2a|i|| | 2 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Front position lamp insecure |1.1.1c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Horn is not a constant note |1.7.3c| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| An item not tested |Manual| | 1 |
| Front Steering lock stop missing |2.1.3| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Rear suspension component excessively bent |2.4.A.1a| | 1 |
| Nearside Rear Rear suspension has a fracture of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Nearside Rear Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Offside Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Rear Brake linkage excessively damaged |3.2.A1c| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Horn not loud enough to be heard by another road user (1.7.3a) | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride (6.2.1h) | 1 |
| Front Exhaust is leaking and excessively noisey (7.1.1b) | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Drive chain excessively tight it is so tight I am not able to check for wear! |6.2.1d| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on not working |1.1.3a| | 1 |
| Centre Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Handlebar mounting clamp bolt missing |2.1.1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear suspension bush has excessive free play swinging arm has excessive lateral movement |2.4.A2a|i|| | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Centre Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Centre Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Rear suspension bush has excessive free play swing arm pivot bush excessive play |2.4.A2a|i|| | 1 |
| Offside Rear Brake cable badly frayed snapped in rbt test |3.2.A1b| | 1 |
| Stop lamp remains on when the brake is released cable condition does not allow function |1.3.1e| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Suspension component ball joint excessively worn swingarm play (5.3.4 (a) (i)) | 1 |
| Headlamp aim not tested head light lens not facing u to get correct beam (4.1.2 (b)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Brake component defective due to a deliberate modification which significantly reduces the original strength rear brake cable fitted incorrectly |3.1.5| | 1 |
| Rear suspension bush has excessive free play swinging arm bushes |2.4.A2a|i|| | 1 |
| Clutch lever bent so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Offside Rear Brake rod insecure rear torque arm fastening split pin missing (1.1.15 (c)) | 1 |