| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Headlamp aim beam image kick up to the offside |1.6| | 15 |
| Registration plate issues | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Brake disc|s| cracked |3.2.A1g| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| 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 |
| Nearside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen kick to right |4.1.2 |a|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Horn control defective |1.7.2a| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake linkage excessively corroded |3.2.A1c| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Plate brake test indicates a severely grabbing brake |3.3.B1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |