The ECHO CS-3410 features a 34.4 cc professional-grade, 2-stroke engine for lower emissions. It's the perfect, lightweight saw for homeowner. Ideal for limbing and cutting firewood. SPECIFICATIONS Engine Displacement: 34.4 cc Engine Displacement: 2.1 cu. in. Starting System: i-30™ Ignition System: Digital Oiling System: Automatic Clutch-Driven Vibration Reduction System: 3-Point Spring System Available Bar Lengths: 14,16 in. Oil Capacity: 7.8 fl. oz. Dry Weight: 8.2 lb. Sprocket Cover: Plastic Bar Type: Laminated Sprocket Type: Spur Handle: Plastic Fuel Capacity: 9.5 fl. oz. Carburetor (w/Purge Pump): Yes Warranty: 5 year consumer / 1 year commercial 34.4 cc professional-grade, 2-stroke engine Momentary stop switch Automatic, clutch-driven oiler FEATURES - BALANCES POWER AND LIGHTWEIGHT 34.4 cc professional-grade, 2-stroke engine: For outstanding performance and durability Lightest chainsaw in its class: High power-to-weight ratio reduces fatigue and increase productivity i-30™ starting system: Reduces starting effort by 30% Integrated choke and fast idle: Trigger release mechanism allows for fast starts Translucent fuel and oil tanks: For quick fuel and oil level checks Automatic clutch-driven oiler: Operates only when the chain is moving to reduce oil consumption Momentary stop switch: Automatically returns to "ON" position Side-access chain tensioner: For easy chain adjustments Purge Bulb: Delivers fresh fuel to carburetor for easier starts Weight 8.2 lb. Bar Length Options 14,16 in.