| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Registration plate issues | 27 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 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 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Horn not working |1.7.3a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Brake pipe excessively corroded | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside 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 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies rear stop light not working |1.3.1a| | 1 |
| Rear 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)) | 1 |
| Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Rear Footrest insecure (6.2.1a) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock (2.1.4) | 1 |
| Rear Brake pedal has insufficient reserve travel Rear (1.1.2 (a)) | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp not working switch sticking on lever not returning lubricated and tested ok |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Drive belt worn to excess |6.2.1e| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |