Ahoy, Li'l Bear.<br /><br />No. <br /><br />The carbon that builds up in 2 stroke engines is from burning oil along with the gas. . . well, partially burning the oil.<br /><br />Four strokes burn MUCH cleaner. Any deposits that might accumulate from fuel additives would not be removed by a de-carb process, and the decarb fluid might cause damage to the engine.<br /><br />Red sky at night. . .<br />JB
