| Rating | Solver | Clue |
|---|---|---|
| CARBURETTOR | Engine part | |
| TAPPET | Engine part | |
| PISTON | Engine part | |
| PLUG | Engine part, spark ... | |
| FLYWHEEL | Briefly, wheelbarrow holds part of engine | |
| CAM | Engine part seen in earliest cars and motorcycles | |
| WALL | An inclosing part of a receptacle or vessel; as, the walls of a steam-engine cylinder. | |
| BRAKE | That part of a carriage, as of a movable battery, or engine, which enables it to turn. | |
| ORGAN | A component part performing an essential office in the working of any complex machine; as, the cylinder, valves, crank, etc., are organs of the steam engine. | |
| BED | The foundation or the more solid and fixed part or framing of a machine; or a part on which something is laid or supported; as, the bed of an engine. | |