| Most common failures | No# failures |
|---|
| Front Brake excessively binding (1.2.1 (f)) | 18 |
| Headlamp aim out of alignment | 14 |
| Registration plate lamp issues | 14 |
| Front Brake excessively binding |1.2.1 |f|| | 11 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 9 |
| Rear Brake excessively binding (1.2.1 (f)) | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Stop lamp remains on when the brakes are released | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Registration plate issues | 3 |
| Rear Brake grabbing severely (1.2.1 (c)) | 3 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Front Lower Brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Lower Brake excessively binding (1.2.1 (f)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Throttle operating incorrectly not returning (6.2.7 (a) (i)) | 2 |
| Rear Brake lever is damaged and the brake cannot be readily applied rear brake lever very bent |3.1.3c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake component insecure Front pad pin locking device missing |1.1.21 |c|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Roller brake test indicates a binding brake front wheel bearing not tested |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake wheel bearing not tested |3.3.A1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Rear Brake fluid contaminated |1.8 |a|| | 1 |
| Offside Front Stop lamp does not emit a steady light front brake |1.3.1b| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Central Front Upper Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Brake excessively binding Front |1.2.1 |f|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake disc contaminated Covered in fork oil. (1.1.14 (b)) | 1 |
| Brake lever is so short that the brake cannot be readily applied sharp edge exposed (1.1.2 (d)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface NUMBER PLATE COVERING (4.8.1 (a) (ii)) | 1 |
| Brake fluid contaminated FRONT AND REAR NEEDS REPLACING OLD AND CONTAMINATED (1.8 (a)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake caliper damaged Seized on (1.1.16 (a) (i)) | 1 |
| Rear Brake caliper damaged Seized on (1.1.16 (a) (i)) | 1 |
| Brake excessively binding Rear (1.2.1 (f)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Brake performance not tested rear brakes are excessively worn beyond testing limitations (1.2.1 (g)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock front brake hits screen (2.1.4 (b)) | 1 |
| Front Headlamp has more than 1/2 LEDs not functioning (4.1.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Wheel fixing loose (single fixing) Wheel feels loose on shaft. May be an internal spacer missing? (5.2.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Nearside Rear Footrest missing pillion footrest (6.2.12 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake caliper excessively weakened by corrosion sticking on (1.1.16 (d) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake caliper damaged and braking performance affected rear brake caliper semi siezed brake is dragging badly (1.1.16 (a) (ii)) | 1 |
| Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |