Plug the battery and sensor into the circuit..Lay the spark plug against the cylinder and turn the engine past Top dead center..the plug should spark..
Specs...Bore 1.73, stroke 1.34..Made from a Sachs model 111 or 115 chainsaw with a machined case by A&M...Look at the con rod..If it's copper color it's a Sachs, if it's not it was made by A&M...
Mix the oil at whatever the oil manufacturer says, usually 32 or 50-1 ....