Opposed engine: An engine that has its cylinders parallel to the ground on either side of the crankshaft. Related posts: Naturally aspirated engine Cylinder block Cabover engine Flywheel Check engine light AT8701 Engine and Vehicle Management System Syllabus AT8601 Automotive Engine Components Design Syllabus Wheel track Inlet manifold Dynamic timing meter Crankshaft counter-balances Detonation sensor AE8005 Aero Engine Maintenance and Repair Syllabus Crankcase Engine capacity Horizontally opposed engine or Boxer engine Crankshaft Cubic capacity HCCI engine Boxer engine Read more articles Previous PostOn-Board Diagnostic (OBD) system Next PostOtto cycle