| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 41 |
| Registration plate issues | 29 |
| Rear reflector on motorcycle missing |1.4.1| | 23 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| 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| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Rear Lower 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| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear reflector on sidecar does not face squarely to the rear |1.4.1| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 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 |
| 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 Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake lever has restricted free movement |1.1.15 |e|| | 1 |
| Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Exhaust is leaking and excessively noisey Rear pipe blowing |7.1.1b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Centre Front Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear suspension bearing has excessive free play Swing arm |2.4.A2a|i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Steering lock stop maladjusted |2.1.3| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain excessively loose belt loose. |6.2.1d| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Upper Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Central Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Motorcycle structure adversely modified |6.1.1b| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen Beam is a circle. not a flat beam. |1.6.B.1| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Stop lamp not working brake lamp does not work on rear foot brake (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Sticking (6.2.7 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Drive belt sprocket worn to excess |6.2.1e| | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Nearside Handlebar mounting insecure loose (2.2.1 (a) (i)) | 1 |
| Handlebar mounting insecure handlebar riser slightly loose (2.2.1 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swinging arm bearings (5.3.4 (a) (i)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect Incorrect bulb fitted (4.1.2 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected aftermarket drum fitted not smooth- snatches (6.2.7 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases linkpipe blowing (6.1.2 (a)) | 1 |
| Rear Exhaust has a major leak of exhaust gases linkpipe blowing (6.1.2 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition because linkpipe not sealed (8.1.1 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |