| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 22 |
| Registration plate issues | 14 |
| Horn not working |1.7.3a| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Headlamp aim out of alignment | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Horn missing |1.7.1| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Fuel cap leaking (6.1.3 (b) (i)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel brake creeps away under load air or component damaged |3.1.3b| | 1 |
| Brake performance not tested |3.3| | 1 |
| Nearside Drive chain worn to excess chain and sprockets |6.1.7 |c| |i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Nearside Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Upper Horn not working |1.7.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Front Headlamp switch faulty |1.2.4| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Steering damper insecure |2.1.2d| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake linked system has an excessively worn master cylinder pivot. |3.2.B5| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear suspension bearing has excessive free play swinging arm bearing |2.4.A2a|i|| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Shock absorber has a serious fluid leak Both Forks (5.3.2 (b)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play Free play (2.2.2 (f) (i)) | 1 |
| Fuel system component leaking Suspect float stuck. (6.1.3 (b) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Headlamp not working on main beam headlamp illuminating - must not for day time mot (4.1.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |