| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 32 |
| Registration plate issues | 14 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| 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| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Fuel system component leaking |7.2.1a| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Rear Direction indicators not working |1.5.1c| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Horn not working |1.7.3a| | 2 |
| Registration plate lamp issues | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Exhaust excessively deteriorated |7.1.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure split pins missing from rear brake anchor arm |6.1.1 |b| |i|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Front Headlamp switch faulty |1.2.4| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Offside Rear Lower Footrest insecure |6.2.1a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp(s) not working on foot brake (4.3.1 (a) (ii)) | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| An item not tested |Manual| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Steering linkage locking device ineffective osr axle nut locking pin missing (2.1.3 (d)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Suspension arm attachment bracket/mounting insecure Brake torque arm front mount nut missing locking device missing (5.3.3 (a) (i)) | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Offside Front Lower Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Wheel bearing has excessive play Front (5.1.3 (a) (i)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Front Stop lamp not working front brake does not operate stop lamp - PRS - clean & refit connectors (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake lever excessively damaged |3.2.A1c| | 1 |
| Rear Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Front wheel spindle loose |2.3.3a| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |