| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Front 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 |
| Headlamp insecure |1.2.3b| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Registration plate issues | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Brake lever mounting insecure |3.1.2a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Direction indicator not working |1.5.1c| | 2 |
| Rear suspension component loose |2.4.A.1a| | 2 |
| Exhaust mounting missing |7.1.1c| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 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 |
| Suspension attachment bracket/mounting insecure Bolt fitted was too long and was not holding arm in place
Spacer added and bolt tightened (5.3.3 (a) (i)) | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Front Shock absorber has a serious fluid leak x 2 (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Wheel fixing missing |multiple fixings| FRONT WHEEL PINCH BOLT MISSING |5.2.1 |a| |i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Headlamp main beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Centre Front Upper Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Rear Lower Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Lower Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Centre Front Upper Headlamp aim not tested |1.6| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Steering operation restricted in free movement from lock to lock Right hand wiring loom trapping in lock stop (2.1.4 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Lock to lock right hand (6.2.7 (a) (ii)) | 1 |
| Rear Brake component insecure Actuator arm bolt missing (1.1.21 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the steering No gap on nearside (2.4 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Brake performance not tested |3.3| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Stop lamp does not illuminate immediately a brake applies with front brake control |1.3.1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Fuel system component leaking fuel sender leaking |7.2.1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |