| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 40 |
| Registration plate issues | 29 |
| Registration plate lamp issues | 20 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| 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| | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Horn not working |1.7.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| 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)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| 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|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Hazard warning switch missing |1.4.B.1d| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Front Throttle operating incorrectly Throttle will not return on its own |6.2.1f| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Front Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Offside Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Centre Rear Lower Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake linkage excessively corroded |3.2.A1c| | 1 |
| Rear Brake lever excessively damaged |3.2.A1c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Exhaust has part of the system missing baffles |7.1.1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Upper Suspension arm locating pin locking device not properly locked |2.4.G.3b| | 1 |
| Offside Rear Upper Suspension arm locating pin locking device not properly locked |2.4.G.3b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Rear Rear position lamp|s| does not face the rear |1.1.A.3a| | 1 |
| Front Front wheel spindle loose |2.3.5a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on number plate light not working |1.1.3a| | 1 |
| Hazard warning lamps not fitted |1.4.B.1a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear 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 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp not working Front switch (4.3.1 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working front switch (4.3.1 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Front Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp(s) missing vehicle over 1300mm requires two stop lamps (4.3.1 (a) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected lever sticking not releasing or applying correctly (1.1.2 (b) (ii)) | 1 |
| Stop lamp not working (front brake stop switch) (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Outer Position lamp not working Both (4.2.1 (a) (ii)) | 1 |
| Outer Stop lamp(s) not working Both (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear reflector missing both (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake excessively binding FRONT AND REAR (1.2.1 (f)) | 1 |
| Front All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Lower Horn not working horn not working at all - replace with new horn. (7.7 (a)) | 1 |
| Nearside Upper Direction indicator not working both nearside indicators not working . (4.4.1 (a) (ii)) | 1 |