| Most common failures | No# failures |
|---|
| Registration plate issues | 24 |
| Headlamp aim out of alignment | 13 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| 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| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Brake pipe excessively corroded | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 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 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Drive chain excessively tight, so that it is likely to fail |6.1.7 |k| |ii|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake hose damaged | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Nearside Direction indicator missing |1.5.1a| | 1 |
| Offside Direction indicator missing |1.5.1a| | 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 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Registration plate lamp issues | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Offside Front Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Brake component damaged and seriously reduced in strength |3.2.A1| | 1 |
| Vehicle identification number not legible |0.2 |b|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Upper Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Front Stop lamp not working Front switch (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working on constantly (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working on constantly (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |