What fuel does a Robinson R22 use?
What fuel does a Robinson R22 use? The R22 uses a horizontally mounted Lycoming O-320 (O-360-J2A on the Beta II), flat-four, air-cooled, naturally aspirated, carburetor-equipped, reciprocating engine. It is fueled with 100LL grade aviation gasoline.… What fuel does a Robinson R22 use?