| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Registration plate issues | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Lower Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Nearside Front Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Motorcycle structure cracked |6.1.1a| | 1 |
| Front Horn control defective |1.7.2a| | 1 |
| Nearside Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Front Stop lamp not working |1.2.1b| | 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 |
| Rear Axle with loose fixing bolts (5.1.1 (b) (i)) | 1 |
| Front position lamp|s| missing |1.1.A.3a| | 1 |
| Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake lever is inoperative |3.1.3c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Rear Direction indicators not working motorcycle |1.5.1c| | 1 |
| Nearside Front Sidecar direction indicator incorrect colour |1.5.1b| | 1 |
| Sidecar front position lamp missing |1.1.1a| | 1 |
| Sidecar rear position lamp missing |1.1.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Hydraulic brake calliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Hydraulic brake cylinder leaking hydraulic fluid Brake Master cylinder |3.6.A.1| | 1 |
| Front shock absorber leaking oil |9.2.7b| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Rear Brake linkage excessively damaged and seriously weakened |3.5.1e| | 1 |
| Rear Brake master cylinder severely corroded |3.2.B1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 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 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear suspension component cracked |2.4.A.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Front Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Centre Lower Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Centre Lower Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Offside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Rear Brake pedal spongy |3.3.B.1b| | 1 |
| Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Nearside Rear Suspension arm attachment bracket modified and seriously weakened |2.4.A.2| | 1 |
| Offside Rear Suspension arm attachment bracket modified and seriously weakened |2.4.A.2| | 1 |
| Offside Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |