1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 33Get this manual
ENGINE SERVICING (TVVIN CYLINDER) General Engine Information
In the manufacture of Arctic Cat snowmobiles, both the Kawasaki single cylinder (KT150A and KT150B) and the twin cylinder (Tl A) engines are usedThis engine section will provide you with the information necessary to service the Kawasaki twin cylinder (Tl A) engineRead and understand th is section before performing any engine service procedures5Disconnect the choke and the throttle cable wires at the carburetorRemove the inlet fuel line and the vapor return line at the carburetorWARNING