Brush cutter cg260 1.Brush cutter 31cc/139F 2.Air cooling shoulder brush cutter 3.Adjustable handle 4.Cylinder bore 39mm New style-stroke gasoline brush cutter machine 1.WINF shoulder brush cutter cg260 technical specification: Engine TypeAir cooling,single cylinder,four strokeEngine model139FCylinder displacement31ccCylinder bore39mmIdling speed3000rpmFuel mixture ratio25:1(Gasoline/two-cycle ...