| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 35 |
| Headlamp aim out of alignment | 11 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Front Brake excessively binding (1.2.1 (f)) | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 7 |
| Registration plate issues | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Horn not working |1.7.3a| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Registration plate lamp issues | 5 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 3 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front mudguard insecure |2.3.7| | 2 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Offside Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Offside Front Position lamp not working side (4.2.1 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 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 |
| Stop lamp does not illuminate immediately a brake applies stop light not working with front or rear brake operation. |1.3.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Brake locking device missing |3.2.A1e| | 1 |
| Nearside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake caliper leaking BANJO BOLT LOOSE (1.1.16 (b) (i)) | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Stop lamp remains on when the brake is released rear brake |1.3.1e| | 1 |
| Offside Front Outer Shock absorber insecurely attached r/h front fork bottom cracked and so not clamping wheel spindle |5.3.2 |a| |i|| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded front brakes binding |3.2.A1h| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 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 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Decelerometer brake test indicates a severely juddering brake |3.3.E1e| | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Exhaust has a major leak of exhaust gases Silencer to downpipe joint (6.1.2 (a)) | 1 |
| Brake performance not tested |3.3| | 1 |
| Gradient brake test No brake control achieves an efficiency of 30%. |3.3.D1a| | 1 |
| Gradient brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.D1b| | 1 |
| Gradient brake test Neither brake control achieves an efficiency of 25% |3.3.D1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies o/s leaver |1.3.1a| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Roller brake test indicates a severely grabbing brake front & rear both |3.3.A1b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Centre Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Front Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Throttle operating incorrectly sticking on |6.2.1f| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Offside Front Brake grabbing severely (1.2.1 (c)) | 1 |