| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp aim out of alignment | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Horn not working |1.7.3a| | 5 |
| Registration plate issues | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Direction indicators flashing less than 60 times a minute does not turn on/off just dull/bright |1.5.1c| | 1 |
| Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Clutch lever shortened so it cannot be readily operated |6.2.7 |b|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake caliper inadequately mounted and braking performance affected caliper bolt (1.1.16 (c) (ii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear suspension bush has excessive free play rear shock |2.4.A2a|i|| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator obviously incorrectly positioned Not spaced correctly (4.4.3 (a)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride spit link circlip missing |6.2.1h| | 1 |
| Central Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies switch |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Footrest missing rear footrests are missing (6.2.12 (a)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling forks are bent backward on one side ,making wheel alignment wrong (2.4 (a)) | 1 |
| Rear Exhaust has a major leak of exhaust gases joint apart between silencer and header (6.1.2 (a)) | 1 |
| Rear Exhaust system insecure silencer loose (6.1.2 (a)) | 1 |
| Rear Brake excessively binding rear brake dragging (1.2.1 (f)) | 1 |
| Rear Drive chain sprocket worn to excess rear sprocket hooking (6.1.7 (c) (i)) | 1 |
| Front Stop lamp not working front brake light,engine would not run long enough to check (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working rear brake light ,engine would not run long enough to check (4.3.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested engine would not run long enough to check (4.1.2 (b)) | 1 |
| Front Brake lagging in operation front brake (1.2.1 (d)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Brake lever cracked |3.1.2c| | 1 |
| Central Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Registration plate lamp issues | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Stop lamp obscured by number plate |1.3.1c| | 1 |
| Brake component has an inadequate repair abs wire cable tied to calliper |3.1.5| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain link incorrectly fitted |6.2.1h| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Offside Front Front suspension assembly component loose |2.3.1| | 1 |
| Offside Front Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Front wheel insecure front hub worn |4.2.3b| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock fouling on frame (2.1.4 (b)) | 1 |
| Fork yoke fractured stop lock ineffective (2.2.2 (d) (i)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Direction indicator flashing less than 60 times a minute all |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |