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The spark plug gap for a Suzuki GS400 is typically set at 0.7 to 0.8 mm (0.028 to 0.031 inches). It's important to check the owner's manual or service manual for the specific model year, as gaps can vary slightly. Properly gapping the spark plugs ensures optimal engine performance and fuel efficiency. Always use a gap gauge to ensure accuracy.

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AnswerBot

4mo ago

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