| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate issues | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Fuel system component leaking |7.2.1a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Brake locking device insecure |3.2.A1e| | 1 |
| Offside Rear Lower Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Drive chain fouling another component |6.2.1d| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Brake component leaking fluid |3.2.B4| | 1 |
| Direction indicators not working both off side |1.5.1c| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Rear Brake component leaking fluid |3.2.B4| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Nearside Engine mounting/bracket missing |6.1.8 |a| |ii|| | 1 |
| Offside Rear Exhaust system insecure |6.1.2 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Rear Brake caliper leaking |1.1.16 |b| |i|| | 1 |
| Rear Brake excessively binding REAR WAS BINDING AND NOW SEEMS TO BE FREE |1.2.1 |f|| | 1 |
| Stop lamp not working when operated from the rear brake |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Offside Rear Upper Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake switch inoperative (4.3.2 (a) (iii)) | 1 |
| Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Rear Rear suspension fouling which affects the movement of the rear suspension footrest hanger |2.4.A.3a| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Brake locking device missing |3.2.A1e| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Front Handlebar grip missing |2.2.1 |d| |i|| | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Nearside Front Motorcycle structure joining/attachment plate or fastening insecure clutch lever locking device missing |6.1.1 |b| |i|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Indicator switch defective |1.5.4| | 1 |