| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Registration plate issues | 4 |
| Rear parking brake recording little or no effort | 3 |
| Brakes imbalanced across an axle | 3 |
| Front suspension assembly component loose |9.2.5b| | 3 |
| Hazard warning switch missing |1.4.B.1d| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Rear brake binding | 2 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 2 |
| Offside Rear Shock absorber insecure |2.7.2b| | 2 |
| Hazard warning lamps operated by more than one switch |1.4.B.1c| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Hazard warning lamps not fitted |1.4.B.1a| | 2 |
| An item not tested |Manual| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear reflector missing |1.5.1a| | 2 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Nearside Rear reflector missing |1.5.1a| | 2 |
| Offside Rear reflector missing |1.5.1a| | 2 |
| Offside Front Front shock absorber leaking oil |9.2.7b| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Headlamp not working on main beam |1.7.5a| | 2 |
| Brake hose has insufficient room to move | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Central Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Rear Axle beam has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 1 |
| Rear Drive shaft which forms part of the suspension support bearing excessively worn |2.4.G.4d| | 1 |
| Brake lever locking device insecure |3.5.1l| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Rear Suspension arm locating pin retaining device missing top arm |2.4.G.3b| | 1 |
| Offside Rear Suspension arm locating pin locking device missing top arm |2.4.G.3b| | 1 |
| Nearside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Hydraulic brake cylinder insecurely mounted |3.6.A.2a| | 1 |
| Brake linkage locking device missing |3.5.1l| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Rear Hydraulic brake cylinder insecurely mounted |3.6.A.2a| | 1 |
| Front Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Centre Headlamp insecure |1.7.3| | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Rear Stop lamp not working not working on front brake |1.2.1b| | 1 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Offside Front shock absorber leaking oil |9.2.7b| | 1 |
| Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Headlamp insecure |1.7.3| | 1 |
| Nearside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Front Braking system leaking |3.6.A.1| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Rear fog lamp obviously incorrectly positioned fitted to wrong side |4.5.4 |a|| | 1 |
| Service brake efficiency below requirements both rear brakes low effort |1.2.2 |a| |i|| | 1 |
| Forks excessively deformed front wheel and forks out of alignment (2.2.2 (f) (i)) | 1 |
| Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced front frame cross bar rusted (6.1.1 (c) (i)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Offside Rear Suspension arm attachment bracket/mounting corroded and seriously weakened |5.3.3 |b| |i|| | 1 |
| Brake hydraulic reservoir cap missing |3.6.G.1a| | 1 |
| Nearside Rear Brake clevis joint locking device missing |3.5.1l| | 1 |
| Offside Rear Brake clevis joint locking device missing |3.5.1l| | 1 |
| Brake clevis joint has restricted free movement |3.5.1k| | 1 |
| Rear Brake pivot locking device insecure |3.5.1l| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Rear Direction indicator insecure |1.4.A.2b| | 1 |
| Registration plate lamp issues | 1 |
| Brake pedal operating lever not secure to the pedal |3.3.A.1c| | 1 |
| Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Offside Front suspension has a suspension lower ball joint securing nut loose |2.5.B.1a| | 1 |
| Nearside Front suspension has a suspension upper ball joint securing nut not locked |2.5.B.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Exhaust has a major leak of exhaust gases exhaust insecure (6.1.2 (a)) | 1 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Front Fuel system component leaking |7.2.3| | 1 |
| Centre Front Horn not working |1.6.2a| | 1 |
| Centre Front Brake cable has restricted free movement |3.5.1k| | 1 |
| Parking brake lever insecure |3.1.3b| | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Centre Rear reflector missing |1.5.1a| | 1 |
| Rear Brake hose leaking |3.6.A.1| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Brake master cylinder insecurely mounted |3.6.G.1a| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Rear Brake hydraulic reservoir cap missing |3.6.G.1a| | 1 |
| Front brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front brake caliper leaking |3.6.A.1| | 1 |
| Offside Front brake disc contaminated by brake fluid |3.5.1h| | 1 |
| Nearside Rear Trailing arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment CABLE SLIPS THROUGH THE PLASTIC ADJUSTER (1.1.6 (c)) | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Front brake disc contaminated by brake fluid |3.5.1h| | 1 |
| Brake slack adjuster obviously defective LOCK NUTS NOT LOCKED |1.1.18 |b|| | 1 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Nearside Front Front shock absorber leaking oil |9.2.7b| | 1 |
| Nearside Rear Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Nearside Rear Brake cable locking device insecure |3.5.1l| | 1 |
| Offside Rear Brake cable locking device insecure |3.5.1l| | 1 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Nearside Brake hose leaking |3.6.A.1| | 1 |
| Front Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Steering lock stop maladjusted |2.1.3| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Brake hydraulic reservoir insecurely mounted |3.6.A.2a| | 1 |
| Front Headlamp incorrect colour |1.7.5b| | 1 |
| Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Rear Brake cable has a seized clevis joint pivot |3.5.1c| | 1 |
| Offside Rear Brake cable has a seized clevis joint pivot |3.5.1c| | 1 |