| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 20 |
| Headlamp aim out of alignment | 19 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 13 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Steering headbearing has excessive free play |2.2.2| | 11 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 11 |
| Rear reflector on motorcycle obscured |1.4.1| | 9 |
| Horn not working |1.7.3a| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Registration plate issues | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Nearside Front Direction indicator not working |1.5.1c| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate lamp issues | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Direction indicator not working |1.5.1c| | 2 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Direction indicator not working |1.5.1c| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear Brake lever insecure |3.1.2a| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam unable to start engine |1.2.2a|i|| | 2 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Brake lever mounting cracked |3.1.2c| | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Outer Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Fuel cap ineffective rubber seal cracked |6.1.3 |b| |i|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Central Lower Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Forks excessively corroded (2.2.2 (d) (i)) | 1 |
| Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak front offside fork seal has excessive oil leak (5.3.2 (b)) | 1 |
| Nearside Front Upper Direction indicators not working |1.5.1c| | 1 |
| Offside Front Upper Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Upper Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Upper Direction indicators not working |1.5.1c| | 1 |
| Centre Front Upper Horn not working |1.7.3a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Indicator switch insecure |1.5.4| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Position lamp switch faulty |1.1.4a| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Brake performance not tested front brake seized |3.3| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Position lamp not working side lights not working (4.2.1 (a)) | 1 |
| Front Brake lever has restricted free movement harsh in operation (1.1.15 (e)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Offside Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Seat insecure |6.2.1a| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Front wheel bearings are excessively tight |2.3.5b| | 1 |
| Nearside Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear Footrest missing rear foot pegs missing (6.2.12 (a)) | 1 |
| Fuel cap leaking fuel cap seal severely perished (6.1.3 (b) (i)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Motorcycle structure cracked |6.1.1a| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Shock absorber has a serious fluid leak both front fork seals must be replaced (5.3.2 (b)) | 1 |