| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Registration plate issues | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| 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| | 3 |
| Rear reflector on motorcycle obscured |1.4.2b| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear mono-shock pivot excessively worn top bush |2.4.B.4| | 1 |
| Rear position lamp deteriorated and function impaired less than 50% light source illuminated |1.1.1b| | 1 |
| Stop lamp deteriorated and function impaired less than 50% light source illuminated |1.3.3a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Footrest missing Both rear |6.2.1a| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Brake disc|s| securing bolt|s| missing 2 bolts missing |3.2.A1g| | 1 |
| Front shock absorber seal failed and leaking oil Both |2.3.3| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock Cable routed incorrectly |2.1.4| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Shock absorber has a serious fluid leak both front fork legs and starting to contaminate brake (5.3.2 (b)) | 1 |
| Suspension component has excessive wear or free play rear lower shock mount (5.3.3 (d)) | 1 |
| Wheel spindle loose front (5.2.1 (c) (i)) | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Drive chain horseshoe locking device likely to become detached |6.1.7 |j| |ii|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear suspension bearing has excessive free play top shock mounting |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play bottom shock mounting |2.4.A2a|i|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies off foot brake |1.3.1a| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Horn control defective |1.7.2a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Front Direction indicator incorrect colour both (4.4.3 (a)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush and upper ? (5.3.2 (c)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Fuel system component leaking leaking from the carb overflow pipe |7.2.1a| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned damaged and insecure (4.4.3 (a)) | 1 |
| Direction indicator likely to become detached all (4.4.1 (c) (ii)) | 1 |
| Nearside Front Clutch lever bent so it cannot be readily operated damaged and insecure (6.2.7 (b)) | 1 |
| Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking (6.2.7 (a) (ii)) | 1 |
| Front Handlebar grip insecure to handlebar damaged loose and worn out (2.2.1 (d) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking Throttle assembly/handlebar grip not secured to bike |6.1.1c| | 1 |
| Central Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Exhaust mounting missing Rear exhaust tailpipe insecure |7.1.1c| | 1 |
| Central Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Throttle operating incorrectly sticking on |6.2.1f| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear suspension bush has excessive free play linkage |2.4.A2a|i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Brake lever insecure locking nut missing |3.1.2a| | 1 |
| Throttle operating incorrectly throttle assembly twists on handle bar |6.2.1f| | 1 |
| Throttle operating incorrectly throttle tube damaged grip holding throttle open |6.2.1f| | 1 |
| Steering movement excessively `notchy` with the wheel raised bearings braking up ? |2.2.1b| | 1 |
| Steering movement excessively rough with the wheel raised bearings braking up ? |2.2.1b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear suspension bush has excessive free play top shock mount |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play bottom linking all bearings |2.4.A2a|i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Wheel spoke cracked. one spoke snapped |4.2.1b| | 1 |
| Footrest missing both rear |6.2.1a| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |