"L 550E" - 37 kW Four-cylinder, two-stroke boxer engine, air cooling, single magneto ignition, 4 carburettors, mixture lubrication Power 37 kW / 7500 rpm Displacement 548 cm3 Weight 16 kg Fuel 90 RON (unleaded) / AVGAS 100 LL oil mixture 1:25 for mineral oil or 1:50 for synthetic oil Optional accessories Heat sinks (+1.2 kg), shielded ignition cables, exhaust connecting piece