| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate issues | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 4 |
| 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| | 4 |
| Registration plate lamp issues | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Direction indicator not working |1.5.1c| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Brake pedal cannot be released smoothly |3.1.3d| | 2 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Offside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Upper Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Central Upper Exhaust excessively deteriorated top exhaust pipe to silencer |7.1.1a| | 1 |
| Nearside Rear Exhaust excessively deteriorated Silencer, lower face |7.1.1a| | 1 |
| Nearside Rear Exhaust excessively deteriorated Silencer inner face |7.1.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling front of rear wheel too far to right |2.5.1| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake pipe excessively chafed |3.2.B2a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Throttle operating incorrectly sticking in all positions |6.2.7 |a| |i|| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Rear Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Inner Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Central Rear Position lamp not working |4.2.1 |a|| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear reflector on motorcycle damaged and function impaired |1.4.2a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| An item not tested |Manual| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Front Brake component is fractured |3.1.5| | 1 |
| Drive chain worn to excess chain also corroded |6.1.7 |c| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Centre Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Centre Rear Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |