Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 55Get this manual

Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 55

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Remove the spark plug caps, then remove the spark plugs using spark plug wrenchVisually inspect the spark plugDiscard the plug if the insulator is cracked or chippedRemove carbon other deposits with s