Put oil in both engines and primed the oil systems in accordance with Rotax instructions. Filled the cooling systems with Dexcool antifreeze mix. Chased down a couple of coolant leaks in the left engine. Found two fuel leaks. one in the left engine was due to a loose fitting and easily rresolved. A fuel leak in the right engine was the result of a defectivly assembled fitting. A new fitting has been ordered.