| Most common failures | No# failures |
|---|
| Registration plate issues | 17 |
| Headlamp aim out of alignment | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| 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 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Lower Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear reflector reflecting white to the rear |4.8.2 |a| |ii|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies switch |1.3.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Front Valve stem seriously misaligned |5.2.3 |j|| | 1 |
| Drive belt fouling another component |6.2.1d| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 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 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp When brakes are applied |1.1.3b| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Rear position lamp adversely affected by the operation of another lamp Rear light flashing |1.1.3b| | 1 |
| Fuel system component insecure Carb loose |7.2.1b| | 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 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies Rear brake |1.3.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Horn not working (1.7.3a) | 1 |
| Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |