| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Registration plate issues | 13 |
| Headlamp aim out of alignment | 11 |
| Front wheel bearings are excessively rough |2.3.5b| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Footrest missing |6.2.1a| | 2 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Footrest missing both pillion pegs missing, pillion seat present |6.2.1a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| All direction indicators obviously incorrectly positioned (4.4.3 (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 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Nearside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear sprocket bolts loose |6.2.1h| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Direction indicator missing Has accessory rear LED Lamp fitted which acts as duel indicator and tail lamp function |4.4.1 |a| |ii|| | 1 |
| Offside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Riders seat missing pillion seat missing |6.2.5 |a| |ii|| | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced front mudguard securing point on O/S fork leg missing - resulting in mudguard insecure and contacts the front wheel |6.1.1 |b| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| All direction indicators light intensity significantly reduced Front indicators insecure |4.4.3 |a|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |