| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Headlamp aim out of alignment | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake pedal spongy |3.3.B.1b| | 1 |
| Rear Brake pedal has no servo assistance |3.3.B.2| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Rear reflector missing only one fitted width of trike over 1000 mm it requires two |one each side 0 fitted symmetrically . |1.5.1a| | 1 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Towbar component insecure |6.6.1| | 1 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Parking brake lever insecure |3.1.3b| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Registration plate issues | 1 |
| Rear brake binding | 1 |
| Central Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Offside Rear Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Front Valve stem seriously damaged |4.1.D.1e| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Offside Front shock absorber leaking oil |9.2.7b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake hose damaged | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake efficiency below requirements |3.7.E.1| | 1 |
| Brake modification adversely affecting braking performance brake rod to rear brakes bends under pressure (1.1.21 (d) (ii)) | 1 |