Do not know of a McLane that does not have the oil in the sump and the gas in the tank. In other words they do not normally mix together
If it is a 4 cycle engine use SAE 30 weight 100% synthetic.
Might be in your ignition : lose wire, bad switch : when it won't start check for spark .
Some dude named McLane.
John McLane was born in 1852.
Derek McLane was born in 1958.
Patrick McLane died in 1946.
Patrick McLane was born in 1875.
Allen McLane died in 1829.
Allen McLane was born in 1746.
Ralph McLane was born in 1907.
Ralph McLane died in 1951.
McLane Company's population is 15,000.