1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 14Get this manual
ENGINE SERVICING (SINGLE CYLINDER) General Engine Information
In the manufacture of Arctic Cat snowmobiles, both the single cylinder (KT150A and KT150B) and the twincylinder (T1 A) engines are usedThis engine section will provide you with the information necessary to service the single-cylinder (KT150) engineRead and understand this section before performing any engine service proceduresDisassemble the muffler from the exhaust outlet pipe by removing the wire clip that secures the muffler to the exhaust outlet pipeRemove the bracket securing the recoil starter handle to the right side of the consoleOn electric start models, perform the following: A) Disconnect the negative-battery cable (black) from the negative-battery terminalB) Disconnect the regulator rectifierC) Disconnect the positive+battery cable (r.ed) and the solenoid wires from the starterLoosen the locking collar at the base of the steering post with an Allen wrenchSlide collar up the steering post to keep it away from the engine base plateRemove the two (2) lock nuts and flat washers that secure the rear of the engine base plateLastly, remove the two (2) lock nuts and flat washers that secure the front of the engine base plateThe lock nuts and flat washers are located directly below the exhaust outlet pipe (center of engine)9