Description Lightest saw in its class. 16", 18" and 20" bar lengths. Features 50.2cc professional-grade, 2-stroke engine-Delivers outstanding power Dual-post chain brake handle-Increases durability G-Force engine air Pre-Cleaner™-Reduces air filter maintenance Automatic, adjustable clutch-driven oiler-Reduces oil consumption Heavy-duty air filter with tool-less access-Provides superior air filtration for long engine life Chrome plated cylinder-Extends engine life Magnesium crankcase- Provides lightweight durability Specifications Engine Displacement (cc): 50.2 Oil Capacity (fl oz): 9.5 Engine Displacement (cu in): 3.06 Dry Weight (lbs)1: 10.6 Starting System: Spring-Assist Sprocket Cover: Plastic Ignition System: Digital Bar Type: Pro-Am Laminated Carburetor: Butterfly-Valve Diaphragm (without purge pump) Sprocket Type: Rim Oiling System: Automatic/Adjustable Handle: Plastic Vibration Reduction System: Standard Fuel Capacity (fl. oz.): 16.6 Available Bar Lengths (in): 16, 18, 20 Warranty: 1 yr commercial / 5 yr consumer NOTES:1 Without bar and chain