RCW 88.02.390 requires any new or used motor-driven vessel, other than a Jet Ski-type personal watercraft, to display a sticker that warns passengers of the dangers of carbon monoxide (CO) poisoning.
The CO warning sticker can be:
You must attach the sticker on the interior of the boat so it's clearly visible to the passengers.
Teak surfing refers to body surfing by holding on to the swim platform of a moving vessel. It is extremely dangerous because it puts the surfer directly in the path of the boat's exhaust and poisonous carbon monoxide. Teak surfing is a violation of Washington State law punishable by a fine of up to $100.