| Most common failures | No# failures |
|---|
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 11 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 10 |
| Headlamp aim out of alignment | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Registration plate lamp issues | 7 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Registration plate issues | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 3 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp not working Front brake control |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Front Brake linked system has a seized caliper pivot. |3.2.B5| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking mirror insicure |6.1.1c| | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Brake caliper leaking |1.1.16 |b| |i|| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Brake caliper insecure Caliper bolt missing (1.1.16 (c) (i)) | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Brake fluid not visible |1.1.10 |d| |iii|| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear shock absorber seal failed and leaking oil both |2.4.A.1c| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Rear Outer Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 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 |
| Front Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Position lamp not working Both (4.2.1 (a)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake cable excessively worn (1.1.15 (b)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied |1.1.2 |e| |ii|| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort front |3.3.A1d| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Offside Brake lever mounting insecure |3.1.2a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake switch not working |1.3.1a| | 1 |
| Stop lamp remains on when the brake is released rear brake switch stays on |1.3.1e| | 1 |
| Stop lamp does not illuminate immediately a brake applies both controls |1.3.1a| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Nearside Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Stop lamp does not illuminate immediately a brake applies not illuminating when front brake is applied
not illuminating when front front brake is applied |1.3.1a| | 1 |
| Rear Motorcycle structure is fractured and structural rigidity is significantly reduced Main stand Pivot pin sheered (6.1.1 (a) (i)) | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp not working front brake control (4.3.1 (a) (ii)) | 1 |
| Steering linkage component modification unsafe (2.1.3 (f) (i)) | 1 |
| Stop lamp not working on front brake (4.3.1 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied Pivot joint springs U/S (1.1.2 (d)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak x 2 (5.3.2 (b)) | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |