| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 47 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 17 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 17 |
| Horn not working |1.7.3a| | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Registration plate issues | 11 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 6 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Brake locking device missing |3.2.A1e| | 4 |
| Rear Brake locking device missing |3.2.A1e| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 3 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Nearside Rear reflector missing |1.5.1a| | 3 |
| Offside Rear reflector missing |1.5.1a| | 3 |
| Nearside Front Direction indicators not working |1.5.1c| | 3 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Brake hose damaged | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear position lamp insecure |1.1.1c| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Front Headlamp insecure |1.2.3b| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| An item not tested |Manual| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose split pins missing |3.2.A1j| | 1 |
| Lower Engine mounting/bracket missing left and right |6.1.8 |a| |ii|| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Central Front Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Central Rear Brake pedal has insufficient reserve travel pedal fouling exhaust (1.1.2 (a)) | 1 |
| Footrest insecure left hand |6.2.1a| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Front brake disc locking device insecure |3.5.1l| | 1 |
| Offside Front brake disc locking device insecure |3.5.1l| | 1 |
| Wheel nut|s| loose CLAMP |4.2.A.1e| | 1 |
| Front Wheel insecure SPLIT PIN MISSING |4.2.A.1c| | 1 |
| Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. swinging link |2.4.A.2d| | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Brake fluid contaminated |1.8 |a|| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Indicator tell tale not functioning |1.5.2| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Front Brake component is fractured |3.1.5| | 1 |
| Offside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Centre Front Floor brake test indicates a sticking brake |3.3.C2c| | 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 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front position lamp missing |1.1.1a| | 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 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Service brake efficiency below requirements pulls to o/s on road test |1.2.2 |a| |i|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Nearside Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Rear Suspension has inadequate clearance with the chassis |2.4.A.1a| | 1 |
| Rear Hydraulic brake cylinder insecurely mounted |3.6.A.2a| | 1 |
| Rear Brake hose stretched |3.6.B.4c| | 1 |
| Parking brake lever, pawl mechanism pivot|s| or their associated mountings locking device insecure |3.1.4b| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Rear Brake cable insecure | 1 |
| Offside Rear Brake hose inappropriately repaired insecure clip missing |3.6.A.3| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Lower Rear position lamp missing |1.1.1a| | 1 |
| Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Central Front Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Rear Brake cable has restricted free movement |3.5.1k| | 1 |
| Rear brake binding | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Offside Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Steering lock stop missing |2.1.3| | 1 |
| Nearside Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Steering lock stop missing |2.1.3| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition a silencer which is in such a condition or is of such a type that the noise emitted is clearly in excess of that which would be produced by a similar machine fitted with a standard silencer in average condition. |7.1.2| | 1 |
| Motorcycle structure cracked rear drive hub frame mount broken |6.1.1a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Nearside Front Position lamp switch insecure |1.1.4b| | 1 |
| Offside Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Brake component leaking fluid |3.2.B4| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Headlamp light intensity severely reduced Low beam pattern not distinguishable due to low light intensity. (4.1.4 (a)) | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Front Lower Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Offside Rear Upper Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Fuel tank leaking Slight weep from l/h lower side |7.2.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Nearside Front Brake hose excessively twisted |3.2.B3a| | 1 |
| Offside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Rear An item not tested |Manual| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Centre Rear Upper Riders seat insecure |6.2.1a| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Front Position lamp switch does not operate the front and rear position lamps O/Side Handlebar Switch Not Operating Front Light |Faulty Switch| |1.1.4c| | 1 |
| Offside Front Brake master cylinder insecurely mounted Front Master Cylinder Securing Bolt Missing ... |3.2.B1a| | 1 |
| Nearside Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |