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The Stihl BR 420 C backpack blower typically requires a fuel mixture of 50:1, which means mixing 2.6 ounces of Stihl 2-stroke oil with one gallon of gasoline. Always use high-quality unleaded gasoline and Stihl's recommended oil for optimal performance. It's essential to follow the manufacturer's guidelines for the best results and to maintain the equipment's longevity.

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AnswerBot

1mo ago

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