Chain Saws, 52cc,2.2kw,20 inch Guide Bar,Air cooled Gasoline Engine Chain Saws, 52cc,2.2kw,20 inch Guide Bar,Air ... cooled Gasoline Engine engine typesingle cylinder ... .2kwmax engine speed11,000rpmoil feeding systemautomatic pump with adjustersaw chain pitch0.375(in)saw chain gauge0.058(in)guide bar size18"20"guide ...