Engine: two-stroke, air-cooled and single-cylinder Displacement: 39.6cc Maximum power: 2.0kW/8,500rpm Maximum speed with no-load: 11,000 + - 500rpm Idle speed: 3,000 + - 300rpm Bar length: 16 to 18 inches Saw chain specifications: 0.325P 0.050/0.058 or 3/8P 0.050/0.058 Fuel tank capacity: 520mL Oil tank capacity: 260mL Mass (without guide bar and chain, empty tanks): 4.8kg Net weight: 6.4kg Gross weight: 8.4kgCarton dimensions(mm):430*140/280*2801x20'GP:1040pcsCarburetor is WALBRO brand made in Japan Chain is OREGON made in U.S.A....