Features
41.6 cc Professional-grade, 2-stroke engine for outstanding performance
15% increase in power over the CS-400
7% decrease in weight from the CS-400
i-30 starting system for reduced effort starting
Available in 16" bar length
G-Force engine Air Pre-CleanerTM for reduced air filter maintenance
Heavy-duty, easy-access, automotive-style air filter for superior filtration
16" Bar: 16A0CD3757C / Chain: 91PX57CQ or ES91PX57E
18" Bar: 18A0CD3762C / Chain: 91PX62CQ or ES91PX62E
Specifications
Engine Displacement (cc): 41.6 stratified two stroke engine
Oil Capacity (fl oz): 9.5
Dry Weight (lbs): 9.4 **Without bar and chain
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
Handle: Plastic
Vibration Reduction System 
Available Bar Lengths (in): 16, 18
Fuel Capacity (fl. oz.): 13.9 
Warranty:  5 yrs consumer / 1 yr commercial