Question about 1984 Honda GL 1200 Aspencade Gold Wing

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Tapping sound on right side rear cylinder

Need to know what might cause engine tapping sound. recently installed new spark plugs.

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Hi and welcome to FixYa,

Initially, if the "tapping sound" was not present before the plugs were changed, then one can suspect that the new plug might be the cause:

  • missing crush washer making the plug go a little deeper;
  • new plugs longer than the original old;
  • new plug not firing (wire or plug itself).
Of course the usual culprit in tapping sounds would be the valves.

Check and perform preliminary visual or necessary inspection. Pls post back result(s). Good luck and Thank you for using FixYa.

Posted on Jan 14, 2009

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