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Chevy S-10
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Harley-Davidson Motorcycles

Why is there a pinging noise in the motor of my 2007 Harley Davidson?


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Wiki User
November 13, 2008 9:43PM

Pinking or pinging is caused by incorrect timing or incorrect gas type or gas/air mixture too weak. Always run on the recommended gas or an additive if the correct gas is not available. As a 2007 is fuel injected, it is near impossible to set up the timing and mixture without dealership workshop equipment.