Thanks guys. The Partner saws are going to be nice as is the Husky. The Diamant is a Blue Target saw. Found the OEM in KC and they helped me get a parts book. Have a local vendor here who has parts. The engine they said is from an Italian company named Emak. They are now owned with Partner and Husky. The engine is 81cc. I need to cut it apart to see the weight before I get a cylinder kit. They claim 13,500 RPM on these things and the Partner too. I would assume it flows and breaths real well. The last one is a Wacker saw. I need to see who makes them . No luck so far.