| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Fuel system component leaking |7.2.1a| | 2 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Rear reflector on motorcycle obscured |1.4.1| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Wheel spoke excessively loose several spokes loose (5.2.2 (d)) | 1 |
| Rear Wheel spindle locking device ineffective lockin nut not full thread rear spindle (5.2.1 (d)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied Lever hits throttle casing (1.1.2 (d)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect Beam kick up wrong direction (4.1.2 (c)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Upper Rear suspension bush has excessive free play Swing arm bushes worn, |2.4.A2a|i|| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Front Brake fluid reservoir severely damaged |3.2.B1b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Registration plate lamp issues | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp both left and right rear indicators work at the same time (4.4.3 (b)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp aim not tested HEADLAMP MOUNT BROKEN (4.1.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear suspension bush has excessive free play front swing arm |2.4.A2a|i|| | 1 |
| Rear position lamp adversely affected by the operation of the horn dulls when horn is pressed |1.1.3b| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Direction indicator affected by the operation of another lamp indicators fail when horn is used |1.5.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies new brake light swich fitted |1.3.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Throttle operating incorrectly STICKS |6.2.1f| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |