... quality,competitive factory price 2)Air-cooled,4 stroke 3)1 Year Warranty 4)Certificate:CE,ISO,EPA... ... ,25″ inclindedsingle -clinder,air-cooled 4-stroke ,25″ inclindedsingle -clinder,air-cooled BorexStroke (mm)77x5882x6490x66Displacement( ... .22.23.54.5Standard FeatureLarge-capacity air-cleanerYesYesYesYesLarge-capacity fuel tankYesYesYesYesLarge-capacity mufflerYesYesYesYesFuel ...