| Most common failures | No# failures |
|---|
| Registration plate issues | 12 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Horn missing |1.7.1| | 2 |
| Headlamp aim out of alignment | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies both brakes |1.3.1a| | 1 |
| Brake lever insecure front hand lever |1.1.2 |e| |i|| | 1 |
| Nearside Rear Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Rear Suspension arm has excessive play in a pin/bush Swinging arm bush |2.4.G.2| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake caliper insecurely mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp|s| all not working o/s rear |4.3.1 |a| |iii|| | 1 |
| Position lamp not working front side lights |4.2.1 |a|| | 1 |
| Position lamp light intensity significantly reduced |lights affected when steering lock to lock| |4.2.3 |a| |ii|| | 1 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Horn not working no horn fitted at time of test (7.7 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Dipswitch does not operate immediately when selected on main beam no dipswitch fitted at time of test (4.1.3 (b)) | 1 |
| Front Stop lamp not working no brake light switch fitted at time of test (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Suspension arm pin or bush excessively worn bottom linkage (5.3.4 (a) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Stop lamp not working rear switch (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Stop lamp not working foot switch (4.3.1 (a) (ii)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |