Detailed Product Description chain saw Engine:1-cyclinder,2-stroke,air-coolingdisplacement:78.5ccrated output power and relevant speed:2.94kw/9000rpmidle speed:2800rpmoil/fuel mixture ratio:1:20fuel tank capacity:1200mloil tank capacity:380mlBar size:24"/28"35"/39"inchchain pitch:0.404" Gauge:0.063"Color box meas:500*370*355mmG/NW:9.5/8KGS