Like wot he said^^^^^
Remove oil tank cover, turn the propeller slowly by hand in direction of engine rotation several times to pump oil from the engine into the oil tank.
It is essential to build up compression in the combustion chamber. Maintain the pressure for a few seconds to let the gas flow via the piston rings into the crankcase. The speed of rotation is not important but the pressure and the amount of gas which is transfered into the crankcase
Direct quote from the ROTAX 912 operating manual...
LJ
