Thank you.Around page 207 of owners manual.
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I agree with that but I was doing my valve adjustment and just pulled the plug to make it easier to turn the engine over. While it was out I cleaned, inspected and set the gap. If I would have had a new one on hand I would have stuck it in but would have needed to check the gap on that one too.If you are going to go through the trouble of checking the plug gap, you might as well put a new one in.