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Use regular unleaded gasoline, and mix it with four ounces of oil per gallon of gas - BUT, how you use it depends on whether your lawn mower has a 2-stroke or 4-stroke engine. A 2-stroke engine requires 2-cycle oil to be added to the gasoline in a certain ratio. 4-stroke engines do not require the gas/oil mixture.
it all depends if it is a 2 stroke or a 4 stroke lawn mower
He is the inventor of the two stroke lawn mower. He is the inventor of the two stroke lawn mower.
You will burn the motor up, which will be a very costly repair.
unleaded but the grade is your preference
If you use gasoline of any grade in a gasoline powered mower, it will be fine. I often use mixed gas for my 2 stroke chain saw in my 4 stroke mower with no ill effects other than some additional smoke and smell. If you put diesel in a gasoline mower, that is bad and could ruin the engine If you put gas in a diesel mower you will immediately ruin the high pressure injection system.
No, they no longer make 2 stroke mowers.
Long as your only unsig it in your lawn mower then no problems. Just don't leave it sitting around for weeks as normal motor oil will separate from the fuel faster than 2 stroke oil.
starving for fuel
yes
, I have a BP75AR rally mower. Its very old.It has a Briggs 4 cycle engine. Good luck. Mike