| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 17 |
| Headlamp aim out of alignment | 13 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 11 |
| Steering headbearing has excessive free play |2.2.2| | 10 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 9 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Registration plate lamp issues | 7 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| 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| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front position lamp incorrect colour |1.1.2a| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Registration plate issues | 3 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| An item not tested |Manual| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Offside All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies when front brake applied |1.3.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear wheel spindle loose |2.4.A.2b| | 1 |
| Offside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake component is fractured front outer pad delaminated from backplate |3.1.5| | 1 |
| Rear Brake linkage excessively corroded |3.2.A1c| | 1 |
| Front Brake component leaking fluid Caliper |3.2.B4| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Offside Front Brake lever mounting insecure |3.1.2a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Offside Front Brake lever insecure |3.1.2a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Lower Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Inner Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake lever |1.3.1a| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure stand |6.1.1 |b| |i|| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Suspension damaged and seriously weakened shock bolt not attached correctly > snapped off in mount (5.3.3 (b) (i)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Throttle operating incorrectly Throttle sticking |6.2.7 |a| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Direction indicator not working All not working. Blown fuse. |1.5.1c| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Rear Brake lever is inoperative |3.1.3c| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Central Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Front Valve stem seriously damaged Perished (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged Perished (5.2.3 (j)) | 1 |
| Upper Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Stand insecure, may drop down while riding. |6.1.1 |b| |i|| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Indicator tell tale not functioning |1.5.2| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicator not working all x 4 |1.5.1c| | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Outer Front Horn not working |1.7.3a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |