Usually the float valve does not shut off the fuel which leaks out & fills up the crankcase
When the owner pulls the starter oil spews out everywhere .
So start with checking the oil level then tossing it out
Remove the fuel tank & clean it out
Slide the carb off over a container of some sort but leave the fuel line connected
Fill the tank with fuel
Come back in 1/2 hour and check for fuel leaking out of the carb.
