| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 43 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 11 |
| Registration plate lamp issues | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| 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| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate issues | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment rear brake link (1.1.15 (f)) | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Brake pedal has insufficient reserve travel hits exhaust. spongy |1.1.2 |a|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies brake |1.3.1a| | 1 |
| Nearside Front Lower Front suspension assembly component missing |2.3.1| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Footrest insecure cir clip missing |6.2.1a| | 1 |
| Nearside Front Lower Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber missing (5.3.2 (a) (ii)) | 1 |
| Offside Front Shock absorber missing (5.3.2 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Suspension component mounting modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Footrest missing siezed in up position. (6.2.12 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Rear Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Centre Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Footrest missing Both pillion foot pegs (6.2.12 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies Front brake |1.3.1a| | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |