| Most common failures | No# failures |
|---|
| Registration plate issues | 21 |
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Horn not working |1.7.3a| | 9 |
| Headlamp aim out of alignment | 8 |
| 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 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| All direction indicators missing (4.4.1 (a) (ii)) | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Outer Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| 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 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Position lamp light intensity significantly reduced over 50% of leds not working (4.2.3 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake pedal insecure mounting bolt split pin missing (1.1.2 (e) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Fuel system component leaking CARB |7.2.1a| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Horn missing |1.7.1| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Lower Rear mono-shock pivot excessively worn bush |2.4.B.4| | 1 |
| Offside Rear suspension bush has excessive free play swing arm bush |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Handlebar mounting clamp bolt missing |2.1.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 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 |
| Front Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Centre Rear Lower Wheel spoke excessively bent |4.2.1b| | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Headlamp missing (4.1.1 (a) (ii)) | 1 |
| Rear Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |