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Jeepers wrote:
I thought Leaded fuel went out in the mid 70s. Why then do I need Leaded fuel on a 1985 motor? You don't. The lead in gasoline was added to reduce knocking. Mixing lube oil in gasoline for use in a 2-stroke engine lowers the fuel's knock resistance. The manufacturer designed the engine to perform to specifications with the use of leaded regular gasoline mixed with the specified proportion of 2-stroke oil and therefore recommends that grade of fuel. Since leaded gasoline is no longer available you will have to use regular or better grade unleaded fuel that matches the octane value of the old leaded "regular" gasoline. Rick |