| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 55 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 21 |
| Registration plate lamp issues | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 13 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 7 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 5 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Shock absorbers has a serious fluid leak | 4 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Rear parking brake recording little or no effort | 4 |
| Registration plate issues | 3 |
| Steering system excessively tight |2.2.D.1| | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Headlamp not working on dipped beam |1.7.5a| | 3 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Parking brake efficiency below requirements |3.7.E.1| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear reflector missing |1.5.1a| | 2 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 2 |
| Steering head bearings has excessive wear or free play (2.2.2 (g)) | 2 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Shock absorbers has negligible damping effect (5.3.2 (d)) | 1 |
| Offside Rear Shock absorbers has negligible damping effect (5.3.2 (d)) | 1 |
| Offside Obligatory mirror missing |3.3 |a|| | 1 |
| Front Service brake effort inadequate at a wheel when using foot brake and has excessive travel. (1.2.1 (a) (i)) | 1 |
| Offside Rear Body component damaged and likely to cause injury Indicator lamp (6.2.1 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Fuel cap missing |6.1.3 |b| |i|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam main/dip wrong way round (4.1.3 (b)) | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Shock absorbers has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Suspension arm pin or bush excessively worn (engine mount) (5.3.4 (a) (i)) | 1 |
| Parking |secondary brake| on a single line braking system has inadequate effort at a wheel |1.3.1 |a| |i|| | 1 |
| Rear rear brake recording little or no effort Parking brake |3.7.B.5a| | 1 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Stop lamp(s) switch with a delay in operation HAND CONTROL (4.3.2 (a) (ii)) | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 1 |
| Lower Sub-frame pin or bush excessively worn all lower bushes worn |5.3.4 |a| |i|| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Brake pedal anti-slip provision worn smooth (1.1.2 (c)) | 1 |
| Handlebar excessively deformed (2.2.1 (e) (i)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Nearside Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Offside Brake lever has insufficient reserve travel Reaches bars. (1.1.2 (a)) | 1 |
| Stop lamp(s) emits other than a steady red light When operated from offside brake control. (4.3.3 (a) (ii)) | 1 |
| Nearside Front Suspension levelling valve leaking (5.3.5 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn Excess side play in swing-arm bushes. (5.3.4 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Central Front Lower Steering linkage ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Rear Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Rear Wheel hub spigot mounting excessively worn wheel bearing (5.2.1 (b) (i)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Brake performance not tested ENGINE TO CHASSIS MOUNT |REAR| HAS EXCESSIVE MOVEMENT DANGEROUS FOR A ROLLER BRAKE TEST PROCEDURE |1.2.1 |g|| | 1 |
| Central Front Steering column attachment defective to the extent that there is a serious risk of detachment (2.2.2 (d) (ii)) | 1 |
| Handlebar deformed to the extent that steering is adversely affected (2.2.1 (e) (ii)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Direction indicator lens defective such that the emitted light is adversely affected ALL (4.4.1 (b) (ii)) | 1 |
| Nearside Rear Body component damaged and likely to cause injury (6.2.1 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Rear Exhaust silencer insecure |8.1.1 |b| |i|| | 1 |
| Offside Rear Direction indicator insecure |1.4.A.2b| | 1 |
| Brake has no recorded effort at a wheel REFERS TO REAR BRAKE OPERATED BY PARKING BRAKE LEVER NO EFFORT RECORDED |1.2.1 |a| |ii|| | 1 |
| Offside Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Suspension unit leaking (5.3.5 (c)) | 1 |
| Exhaust is leaking and excessively noisey silencer joint is blowing |7.1.1b| | 1 |
| Stop lamp|s| remains on when the brakes are released |4.3.2 |a| |iii|| | 1 |
| Nearside Rear Body has a sharp edge caused by damage Indicator lens had sharp edge. |6.1.C.1| | 1 |
| Front suspension locking device ineffective |2.5.A.4| | 1 |
| Central Front Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Nearside Front Body component insecure Front fender (6.2.1 (a) (i)) | 1 |
| Parking brake lever inoperative (1.1.6 (d)) | 1 |
| Nearside Front Stop lamp(s) not working Rear brake switch not working (4.3.1 (a) (ii)) | 1 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Nearside Front Upper Position lamp not working headlamp position light (4.2.1 (a) (ii)) | 1 |
| Offside Front Upper Position lamp not working headlamp position light (4.2.1 (a) (ii)) | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Front Steering head bearings has excessive wear or free play steering tight and notchy |2.2.2 |g|| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Rear Sub-frame pin or bush excessively worn lower "H" frame bushes worn |5.3.4 |a| |i|| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Nearside Stop lamp(s) switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear suspension component excessively bent |2.4.A.1a| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Rear Suspension arm attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Footrest missing |9.6.1| | 1 |
| Brake warning device indicates a leak in the brake system |3.3.E.3| | 1 |
| Rear Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Offside Front Lower Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Electronic parking brake control inoperative |1.1.6 |d|| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Rear Shock absorbers has a serious fluid leak (5.3.2 (b)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Body component insecure (6.2.1 (a) (i)) | 1 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Hand operated control valve malfunctioning BRAKE |3.2.2c| | 1 |
| front brake recording little or no effort BRAKE 2 |3.7.B.5a| | 1 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Steering linkage likely to become detached (2.1.3 (a) (ii)) | 1 |
| Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Obligatory indirect vision device insecure (3.3 (b) (ii)) | 1 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Exhaust system insecure CLAMP MISSING (6.1.2 (a)) | 1 |
| Offside Suspension arm pin or bush excessively worn Engine pivot (5.3.4 (a) (i)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Obligatory mirror does not provide a view to the rear |8.1.2b| | 1 |
| Nearside Handlebar grip not secure to handlebars. (2.2.1 (f) (ii)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Offside Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Road wheel badly distorted (5.2.2 (c) (i)) | 1 |
| Rear Service brake grabbing severely (1.2.1 (c)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Rear Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Steering system excessively tight steering pivot notchy |2.2.D.1| | 1 |
| Nearside Lower Suspension component pin or bush excessively worn Engine pivot mount bush worn (5.3.4 (a) (i)) | 1 |
| Offside Lower Suspension component pin or bush excessively worn Engine pivot mount bush worn (5.3.4 (a) (i)) | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |