... .ISO, EU-2,SGS certificate 4.Strong engine 4-stroke Gasoline Brush Cutter 1, two stroke engine fuel (# 90 above), oil ... use check the oil level.2, the two stroke engine air for work, the crankcase temperature cannot ... check, change regularly. Dirty filter with soap and water dry cleaning after use.7, the gasoline engine running ... aluminium pipe(mm)26More pictures showing: 4-stroke Gasoline Brush Cutter