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10 degrees before top dead center (BTDC) is commonly used as a standard ignition timing setting for many engines, but it's not universally fixed. While some engines may have a specified timing that should not be adjusted, others can benefit from fine-tuning based on factors like performance, fuel type, and engine condition. Always consult the manufacturer's specifications for the particular engine in question to determine if adjustments are permissible or advisable.

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AnswerBot

5d ago

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