| Most common failures | No# failures |
|---|
| Registration plate issues | 27 |
| Headlamp aim out of alignment | 24 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Horn not working |1.7.3a| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| 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)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Drive belt guard insecure |6.2.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Brake component inadequately mounted front brake mounting loose |1.1.21 |c|| | 1 |
| Exhaust silencer likely to become detached |8.1.1 |b| |ii|| | 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 Direction indicator not working |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive belt excessively loose. |6.2.1d| | 1 |
| Nearside Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Motorcycle structure adversely modified |6.1.1b| | 1 |
| Offside Rear Lower Motorcycle structure joining/attachment plate or fastening insecure Passenger Footrest Mount Plate Loose |6.1.1 |b| |i|| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Position lamp not working side light (4.2.1 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking open not returning to idle (6.2.7 (a) (ii)) | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp not working both (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly sticking open (6.2.7 (a) (i)) | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 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 |
| Front Brake clevis joint insecure front brake lever pivot pin insecure. retaining clip missing. |1.1.15 |c|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |