1.backpack brush cutter 2.42.5cc brush cutter 3.ISO, CE ... ,SGS certificate 4.Strong engine 5.2-stroke,1-cylinder backpack brush cutter 1, two stroke engine fuel (# 90 above), ... remove carbon once. When clearing off of cylinder head, clear the cylinders, of cylinder head, piston, valve adherent carbon. Carbon must not ... (kg)10Diameter of aluminium pipe(mm)26More pictures showing: backpack brush cutter