| Most common failures | No# failures |
|---|
| Registration plate issues | 15 |
| Headlamp aim beam image kick up to the offside |1.6| | 14 |
| Headlamp aim out of alignment | 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| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Horn not working (1.7.3a) | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute (1.5.1c) | 1 |
| Nearside Rear Direction indicator not working (1.5.1c) | 1 |
| Nearside Front Direction indicator incorrect colour (1.5.1b) | 1 |
| Offside Front Direction indicator incorrect colour (1.5.1b) | 1 |
| Centre Rear Rear reflector on motorcycle missing (1.4.1) | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| 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 |
| Suspension arm pin or bush excessively worn front bush/ bearing excessively worn on rocker pivot (5.3.4 (a) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake pipe excessively chafed |3.2.B2a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 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 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Centre Exhaust mounting does not fully support the exhaust system bolt missing |7.1.1.c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Stop lamp not working control one (4.3.1 (a) (ii)) | 1 |
| Rear Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Rear Rear reflector on motorcycle missing missing |1.4.1| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Hand brake switch |1.3.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Rear Footrest insecure C clip missing (6.2.12 (a)) | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Stop lamp(s) showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Offside Stop lamp(s) showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| All position lamps adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Rear All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Parking brake lever ratchet not holding correctly |1.1.6 |a|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Brake hydraulic reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Direction indicator not working All |1.4.A.2c| | 1 |
| Stop lamp not working Rear control |1.2.1b| | 1 |
| Rear reflector missing All |1.5.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |