Engine model: 1E34F Power Type: Single cylinder, Two-stroke, Air-cooling gasoline engine Ignition system: CDI Engine displacement: 25.4cc Standard power: 0.7kw Engine speed: Maximum speed with cutting attachment11000r/min Maximum idling speed: 2800r/min Minimum clictch engagement speed: 4000r/min Decelerate ratio: 3.5: 1 Fuel Mixture Ratio: 25: 1(Gasoline 25: Two-cycle oil FB1) Fuel Tank Capacity: 650ml Shaft: One-section Type: 840mm Shaft: Two-section Type: 1500mm Distance of two teeth: 3/8' Board: 12' Teeth of shaft: 7 teeth Grease volume: 135mm3 Engine package dimensions: L*W*H 305*205*340mm Shaft package dimensions: L*W*H 1750*180*100mm