Here is an Echo CS-450. It is an older model with the Kiortz 45 cc engine, but still has 170 psi of compression. I drained it of all fuel, ran it out, purged the fuel lines, and emptied the bar oil reservoir. It is no light weight, but one of my favorite saws. Limiters were removed and it was muffler modded, with the entire catalytic biscuit removed and the exhaust deflector opened up. Power increase was impressive. Cuts about the same as a Husqvarna 450 50 cc saw. Great torque, good balance, and reliable as the sun rising in the morning. It came in around 11.55 pounds. Interestingly enough, I had another brand new CS-530 50 cc powerhead that had never seen gas or oil. It came in slightly lighter at around 11.47 pounds. Both saws appear to be built on the same chassis, so the weight comparisons seem logical. Here are the photos. Scale was checked with a 10 lb scale check weight authorized for commerce.
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