| Most common failures | No# failures |
|---|
| Registration plate issues | 30 |
| Headlamp aim out of alignment | 29 |
| 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| | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front passenger seat insecure |6.2.3| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Front Headlamp insecure |1.7.3| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fuel system component leaking carb leaking |6.1.3 |b| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Roller brake test indicates a binding brake pedal sticks down |3.3.A1a| | 1 |
| Rear suspension bush has excessive free play swinging arm bushes |2.4.A2a|i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Exhaust is leaking and excessively noisey front down pipe holed |7.1.1b| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Brake pipe excessively corroded | 1 |
| Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Clutch lever bent so it cannot be readily operated. |6.2.1g| | 1 |
| Front Lower Exhaust mounting does not fully support the exhaust system Hanger/Mount broken |7.1.1.c| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Rear Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Upper 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 |
| Offside 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| | 1 |
| Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Direction indicator missing |1.5.1a| | 1 |
| Nearside Direction indicator missing |1.5.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Drive belt excessively tight |6.2.1d| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Wheel spoke excessively bent |4.2.1b| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Drive belt excessively loose. |6.2.1d| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working Front position light not working ,bulb missing (4.2.1 (a)) | 1 |
| Front Wheel spindle locking device missing Spindle nut locking device missing (5.2.1 (d)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |