Our gas chain saws have high quality, low price, prompt delivery, ... 28") 6) Efficient cutting length: 350 - 690mm (14 - 27") 7) Chain pitch: 9.525mm (3/8")8) Gauge: 1.5mm (0.059 ... 10) Sprocket teeth: 7 11) Engine type: 1-cylinder, 2-stroke, air-cooled 12) Displacement ml: 65 13) Max power ... : 2.7kW/8,500r/min14) Idle speed: 2,700rpm15) Oil/fuel mixture ratio: fuel:oil ...