Ryobi Weed Eater Cs30 Fuel Mixture.

WHAT KIND OF FUEL SHOULD I USE IN A RYOBI CS30 GRASS TRIMMER Grass Trimmers.. Amazon.com Factory Reconditioned Ryobi ZR30002 18Inch 30cc 1 HP. Factory Reconditioned Ryobi ZRRY26500 CS30 17Inch 26cc 2Stroke. It uses a 507 gasoil mixture, ... best yarn