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The valve clearance for a 1999 Yamaha Big Bear 350 is typically set at 0.10 mm (0.004 inches) for both the intake and exhaust valves when the engine is cold. It's important to check the owner's manual or service manual for specific guidelines, as clearances can vary slightly based on the model and engine condition. Regular maintenance of the valve clearance is essential for optimal engine performance.

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2w ago

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