When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Carbon cleanout. Don't use a bucket or a cup of water. Get a spray bottle. Get up in between 2-3,00 spray it down until it almost chokes out Then slam the throttle closed. Water creates steam. Steam breaks up carbon. Closing the throttle creates vacuum. Vacuum removes carbon.