| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Registration plate issues | 25 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Steering headbearing has excessive free play |2.2.2| | 12 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 6 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Horn not working |1.7.3a| | 4 |
| Direction indicators not working |1.5.1c| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 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 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Brakes imbalanced across an axle | 3 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front Headlamp insecure |1.7.3| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Front mudguard insecure |2.3.7| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Obligatory mirror missing |8.1.1| | 2 |
| Offside Obligatory mirror missing |8.1.1| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Headlamp aim headlamp damaged and function impaired POOR BEAM PATTERN ON DIP.MAIN BEAM HAS DIP PATTERN. |1.2.3a| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Registration plate lamp issues | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Exhaust mounting does not fully support the exhaust system centre rear |7.1.1.c| | 1 |
| Front suspension assembly component loose top yoke bolts loose |2.3.1| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Front suspension assembly component loose front wheel spindle pinch bolt |2.3.1| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Brake pedal has inadequate reserve travel pedal drops to stop and does not work. |3.1.3b| | 1 |
| Exhaust is leaking and excessively noisey blowing at cylinder head |7.1.1b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Direction indicators not working all four |1.5.1c| | 1 |
| All position lamps do not illuminate immediately when switched on no lights front or rear. |1.1.3a| | 1 |
| Brake locking device insecure torsoin bar bolts loose. |3.2.A1e| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear suspension component loose shock bolt loose |2.4.A.1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Rear Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Inner Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Central Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Upper Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Centre Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear 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 |
| Offside Front Brake component leaking fluid |3.2.B4| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Motorcycle structure excessively corroded swing arm seriously corroded |6.1.1a| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Centre Front Front wheel bearings are excessively tight |2.3.5b| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Horn control not readily accesible. |1.7.2a| | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Fuel system component leaking |7.2.1a| | 1 |
| Front Floor brake test indicates a severely juddering brake |3.3C2d.| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Direction indicator incorrect colour both |1.5.1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Fuel system component insecure |7.2.1b| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Service brake grabbing severely |1.2.1 |c|| | 1 |
| Vehicle Identification Number not permanently displayed |6.3.5.a| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Steering lock stop missing |2.2.D.2c| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Rear Brake hose excessively kinked |3.2.B3a| | 1 |
| Rear Brake fluid reservoir severely damaged |3.2.B1b| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Handlebar mounting clamp bolt loose |9.2.1c| | 1 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Brake linkage locking device insecure |3.5.1l| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Lower Rear reflector missing |1.5.1a| | 1 |
| Front Handlebar mounting clamp bolt loose |9.2.1c| | 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 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Centre Steering lock stop missing |2.1.3| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Brake pipe leaking |3.6.A.1| | 1 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Brake pipe leaking |3.6.A.1| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear suspension has a modification which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fuel cap/sealing device ineffective |6.1.3 |b| |i|| | 1 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front suspension has a modification which reduces the strength of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Offside Front suspension has a modification which reduces the strength of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Handlebar mounting clamp loose |9.2.1c| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected realy bad |2.2.2 |f| |ii|| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Nearside Drive chain excessively tight |6.2.1d| | 1 |
| Centre Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake hydraulic reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Fuel system component leaking over flow pipe |7.2.1a| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil nearside and offside |2.3.3| | 1 |
| Stop lamp remains on when the brake is released front control |1.3.1e| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars nearside handlebar |2.1.2b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Footrest missing |6.2.1a| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Pillion seat insecure |6.2.6 |a| |ii|| | 1 |
| Fuel tank insecure |6.1.3 |a| |i|| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Lower Fork yoke excessively deformed (2.2.2 (d) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Front Suspension unit leaking Fork seal (5.3.5 (c)) | 1 |
| Central Rear Passengers seat insecure (6.2.6 (a) (ii)) | 1 |
| Offside Rear Additional braking device connector insecure and functionality of device affected (1.1.19 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear rear brake recording little or no effort (3.7.B.5a) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (1.7.5a) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |