Description Same as CS-310 with increased power. 14" and 16" bar lengths. Features 34 cc professional-grade, 2-stroke engine for outstanding performance i-30TM starting system for reduced effort starting Automatic, clutch-driven oiler for reduced oil consumption Available in 14" and 16" bar lengths Side access chain tensioner for quick chain adjustments Tool-less air filter cover for easy access Vibration-reduction system for operator comfort Specifications Engine Displacement (cc): 34 Oil Capacity (fl oz): 8.8 Engine Displacement (cu in): 2.08 Dry Weight (lbs)1: 8.8 Starting System: i-30™ Sprocket Cover: Plastic Ignition System: Digital Bar Type: Double-Guard 91 Carburetor: Butterfly-Valve Diaphragm Sprocket Type: Spur Oiling System: Automatic (Clutch-Driven) Handle: Plastic Vibration Reduction System: Standard Fuel Capacity (fl. oz.): 8.5 Available Bar Lengths (in): 14, 16 Warranty: 1 yr commercial / 5 yr consumer NOTES:1 Without bar and chain